systems and methods for instrument-based insertion architectures

专利摘要:
  The present invention relates to systems, devices and methods in which an instrument can move along a geometric axis of insertion. Instead of relying mainly on a robotic arm for inserting the instrument, the instruments described in the present invention feature insertion architectures based on the new instrument that allow portions of the instruments themselves to translate along a geometric insertion axis. For example, an instrument may comprise a drive shaft, an end actuator at a distal end of the drive shaft and a handle coupled to the drive shaft. The architecture of the instrument allows the drive shaft to translate in relation to the handle along a geometric insertion axis. The translation of the drive shaft does not interfere with other functions of the instrument, such as the actuation of the end actuator.
公开号:BR112020011444A2
申请号:R112020011444-8
申请日:2018-12-10
公开日:2021-02-02
发明作者:Aren Calder Hill；Travis Michael Schuh；Nicholas J. Eyre
申请人:Auris Health, Inc.；
IPC主号:

专利说明:

[001] [001] This application claims the benefit of US Provisional Patent Application No. 62 / 597,385, filed on December 11, 2017, which is hereby incorporated by reference, in its entirety. TECHNICAL FIELD
[002] [002] The systems and methods presented in the present invention are directed to medical instruments and more particularly to surgical tools for use in various types of surgeries. BACKGROUND
[003] [003] This description refers generally to medical instruments and particularly to surgical tools for use in various types of surgery, including laparoscopic, endoscopic, endoluminal and open surgeries.
[004] [004] Robotic technologies have a range of applications. In particular, robotic arms help to perform tasks that a human being would normally perform. For example, factories use robotic arms to make automobiles and consumer electronics. In addition, scientific facilities use robotic arms to automate laboratory procedures such as transporting microplates. In the medical field, doctors began using robotic arms to help perform surgical procedures.
[005] [005] In a robotic surgical system, a robotic arm is connected to an instrument device manipulator, for example, the end of the robotic arm and is able to move the instrument device manipulator in any position within a workspace defined. The instrument device manipulator can be removably attached to a surgical tool, such as a targetable catheter for endoscopic applications or any of a variety of laparoscopic and endoluminal instruments. The instrument device manipulator transmits the movement of the robotic arm to control the position of the surgical tool and can also activate controls on the instrument, such as traction wires to guide a catheter. Additionally, the instrument's device manipulator can be electrically or optically coupled to the instrument to provide power, light or control signals and can receive data from the instrument, such as video stream from a camera on the instrument.
[006] [006] During use, a surgical tool is connected to the instrument device handler so that the instrument is away from the patient. The robotic arm then advances the instrument device manipulator and the instrument connected to it towards a surgical site within the patient. In a laparoscopic procedure, the instrument is moved through a door in a wall of the patient's body. The robotic arm is capable of manipulating the instrument in multiple degrees of freedom, including pitch, yaw and insertion. Typically, a robotic arm provides all of these degrees of freedom.
[007] [007] Regarding insertion, a robotic arm typically has a linear insertion geometric axis to provide the insertion degree of freedom. Difficulties can arise when the robotic arm is responsible for the linear insertion of an instrument. In particular, the mass of the robotic arm (alone or in combination with an instrument) can lead to heavy mass and reduce performance at shallow depths of insertion. In addition, reliance on the robotic arm for insertion reduces the working space available to a surgeon or assistant during a robotic surgical procedure. Consequently, there is a need to reduce dependence on the robotic arm when inserting an instrument linearly. SUMMARY
[008] [008] The order modalities are directed to systems, devices and methods that reduce the dependence on a robotic arm when linearly inserting an instrument. In particular, the systems, devices and methods described here refer to instruments having instruments based on linear insertion architectures. For example, one or more instruments can be provided so that an axis of driving the instrument is able to translate along a geometric axis of insertion, thus reducing the dependence of the robotic arm for linear insertion. While in some modalities, the robotic arm can still be used for linear insertion together with the instrument itself, in other modalities, this movement is eliminated, thus reducing the overall profile of the robot and minimizing the mass balanced at the end of the surgical robot's arm. .
[009] [009] In some embodiments, a medical device comprises a drive shaft, an end actuator connected to the drive shaft and a handle coupled to the drive shaft. The handle includes a first mechanical inlet and a second mechanical inlet. The first mechanical input is configured to actuate the end actuator, while the second mechanical input is configured to translate the drive shaft in relation to the handle. The actuation of the end actuator is carried out by means of a first actuation mechanism that is decoupled from a second actuation mechanism that translates the drive shaft in relation to the handle. The first actuation mechanism may include a first cable that extends through a first set of pulleys, the manipulation of at least one pulley of the first set of pulleys through the first mechanical entry causes a change in the length of the first cable inside of the grip, thus causing the end actuator to act. The second actuation mechanism may include a second cable that engages a coil, the manipulation of the coil of the second set of pulleys through the second mechanical input causing the drive shaft to translate in relation to the handle. The coil can be a capstan, like a zero pitch capstan. Changing the length of the first cable inside the handle to cause the end actuator to act is not affected by the second actuation mechanism that moves the drive shaft in relation to the handle. In some cases, the cable of the first actuation mechanism extends from the proximal portion of the drive shaft, through the first set of pulleys and to the distal portion of the drive shaft. In other cases, the first actuation mechanism includes one or more cables that extend through a first set of pulleys, and the second actuation mechanism includes one or more cables and an insertion coil, at least one or more cables of the first actuation mechanism ends at the insertion coil.
[0010] [0010] In some embodiments, a medical system comprises a base, a tool holder attached to the base, and an instrument. A robotic arm can be positioned between the base and the tool holder. The tool holder includes a clamping interface. The instrument comprises a drive shaft, an end actuator and a handle that has a reciprocal interface for attachment to the tool holder. The handle additionally includes a first mechanical inlet and a second mechanical inlet. The first mechanical input is configured to actuate the end actuator, while the second mechanical input is configured to translate the drive shaft in relation to the handle. The actuation of the end actuator is carried out by means of a first actuation mechanism that is decoupled from a second actuation mechanism that translates the drive shaft in relation to the handle. In some cases, the first actuation mechanism includes a first cable that extends through a first set of pulleys, and the manipulation of at least one pulley of the first set of pulleys through the first mechanical entry causes a change in the length of the first cable inside the handle, thus acting on the end actuator, and the translation of the drive shaft in relation to the handle is carried out through the second actuation mechanism that includes a second cable that engages a coil, being that manipulation of the coil through the second mechanical input causes the drive shaft to translate in relation to the handle.
[0011] [0011] In some modalities, a surgical method comprises providing an instrument configured for application through a patient's natural incision or orifice to perform a surgical procedure at a surgical site. The instrument comprises a drive shaft, a handle coupled to the drive shaft and an end actuator that extends from the drive shaft. The drive shaft is capable of moving in relation to the handle. The actuation of the end actuator is carried out by means of a first actuation mechanism that is decoupled from a second actuation mechanism that translates the drive shaft in relation to the handle. In some cases, the instrument includes a first actuation mechanism to actuate the end actuator and a second actuation mechanism to translate the shaft in relation to the handle, the first actuation mechanism comprising a first set of pulleys and a first cable and the second actuation mechanism comprises a coil and a second cable.
[0012] [0012] In some modalities, a surgical method involves applying an instrument through an incision or natural orifice of a patient to perform a surgical procedure at a surgical site. The instrument comprises a drive shaft, a handle coupled to the drive shaft and an end actuator that extends from the drive shaft. The drive shaft is capable of moving in relation to the handle. The actuation of the end actuator is carried out by means of a first actuation mechanism that is decoupled from a second actuation mechanism that translates the drive shaft in relation to the handle. In some cases, the instrument includes a first actuation mechanism to actuate the end actuator and a second actuation mechanism to translate the shaft in relation to the handle, the first actuation mechanism comprising a first set of pulleys and a first cable and the second actuation mechanism comprises a coil and a second cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] [0013] Figure 1A illustrates a robotic surgical system, according to one modality.
[0014] [0014] Figure 1B illustrates a robotic surgical system, according to an alternative modality.
[0015] [0015] Figure 2 illustrates a control console for a robotic surgical system, according to one modality.
[0016] [0016] Figure 3 illustrates a perspective view of an instrument device manipulator for a robotic surgical system, according to one embodiment.
[0017] [0017] Figure 4 is a side view of the manipulator of the instrument device of Figure 3, according to an embodiment.
[0018] [0018] Figure 5 illustrates an exploded view in front perspective of an exemplary surgical tool attached to the instrument device manipulator of Figure 3, according to an embodiment.
[0019] [0019] Figure 6 illustrates an exploded view in posterior perspective of an exemplary surgical tool attached to the instrument device manipulator of Figure 3, according to an embodiment.
[0020] [0020] Figure 7 illustrates an enlarged perspective view of an actuation mechanism for engaging and disengaging a surgical tool from a surgical tool holder, according to one modality.
[0021] [0021] Figures 8A and 8B illustrate a process of engaging and disengaging a surgical tool from a sterile adapter, according to an embodiment.
[0022] [0022] Figures 9A and 9B illustrate a process of engaging and disengaging a surgical tool from a sterile adapter, according to an embodiment.
[0023] [0023] Figure 10A illustrates a perspective view of a mechanism for rolling a surgical tool holder into an instrument device manipulator, according to an embodiment.
[0024] [0024] Figure 10B illustrates a cross-sectional view of an instrument device manipulator, according to an embodiment.
[0025] [0025] Figures 10C and 10D illustrate partially exploded perspective views of internal components of an instrument device manipulator and certain electrical components thereof, according to an embodiment.
[0026] [0026] Figure 10E illustrates an enlarged perspective view of electrical components of an instrument device manipulator for indexing the roll of the surgical tool holder, according to an embodiment.
[0027] [0027] Figure 11 illustrates a side view of an instrument having an instrument-based insertion architecture, according to a modality.
[0028] [0028] Figure 12 illustrates a schematic diagram showing a first actuation mechanism to actuate an end actuator, according to a modality.
[0029] [0029] Figure 13 illustrates an enlarged side view of a first actuation mechanism of the instrument of Figure 11, according to a modality.
[0030] [0030] Figure 14 illustrates an enlarged perspective view of a first actuation mechanism of the instrument of Figure 11, according to a modality.
[0031] [0031] Figure 15 illustrates a view of a pulley and cable of the instrument of Figure 11, before the pulley acts, according to a modality.
[0032] [0032] Figure 16 illustrates a view of a pulley and cable of the instrument of Figure 11, after the actuation of the pulley, according to a modality.
[0033] [0033] Figure 17 illustrates a side view of a second actuation mechanism that includes a coil for the translation of the drive shaft, according to a modality.
[0034] [0034] Figure 18 illustrates a perspective view of an alternative coil using a single cable for the translation of the drive shaft, according to a modality.
[0035] [0035] Figure 19 illustrates a perspective view of an alternative coil using more than one cable for translation of the drive shaft, according to one modality.
[0036] [0036] Figure 20 illustrates a front view of a handle including the coil of Figure 18, according to an embodiment.
[0037] [0037] Figure 21 illustrates a schematic diagram showing an alternative architecture to actuate an end actuator and the translation of the drive shaft, according to a modality.
[0038] [0038] Figure 22A illustrates an enlarged front view of an instrument incorporating the alternative architecture to actuate an end actuator and the insertion of the drive shaft of Figure 21, according to one modality.
[0039] [0039] Figure 22B illustrates a top perspective view of an instrument incorporating the alternative architecture for actuating an end actuator and the insertion of the drive shaft of Figure 21, according to one modality.
[0040] [0040] Figure 23 illustrates a top perspective view of an instrument handle and drive shaft, according to a modality.
[0041] [0041] Figure 24A illustrates a schematic view of a cross section of an instrument drive shaft that uses the insertion architecture shown in Figure 12, according to one modality.
[0042] [0042] Figure 24B illustrates a schematic view of a cross section of an instrument drive shaft that uses the insertion architecture shown in Figure 21, according to one modality.
[0043] [0043] Figure 25 illustrates a schematic diagram showing an architecture for driving a knife on a vessel seal, according to one modality.
[0044] [0044] Figure 26 illustrates a schematic diagram showing an alternative architecture for driving a knife in a vessel seal, according to one modality.
[0045] [0045] Figure 27 illustrates a schematic diagram showing yet another alternative architecture for driving a knife on a vessel seal, according to one modality.
[0046] [0046] Figure 28 illustrates a schematic diagram showing an architecture for the production of a rigid camera in an insertion instrument, according to a modality.
[0047] [0047] Figure 29 shows a first insertion architecture that allows a camera to be separated from the insertion handle, according to a modality.
[0048] [0048] Figures 30 and 31 show a second insertion architecture that allows a camera to be separated from an insertion handle, according to a modality.
[0049] [0049] Figure 32 illustrates a diagram showing an alternative architecture for translating the drive shaft, according to another modality.
[0050] [0050] Figure 33 shows a side cross-sectional view of an instrument that has multiple seals to prevent air leakage from a patient.
[0051] [0051] Figure 34 shows a front cross-sectional view of the instrument that has multiple seals.
[0052] [0052] The figures represent embodiments of the present invention for purposes of illustration only. The person skilled in the art will readily recognize, from the description below, that alternative modalities of the structures and methods illustrated herein can be used without departing from the principles of the invention described herein. DETAILED DESCRIPTION
[0053] [0053] Figure 1A illustrates a modality of a robotic surgical system 100. The robotic surgical system 100 includes a base 101 coupled to one or more robotic arms, for example, the robotic arm
[0054] [0054] In some embodiments, the base 101 includes wheels 115 to transport the robotic surgical system 100. The mobility of the robotic surgical system 100 helps to accommodate space limitations in an operating room as well as facilitating proper positioning and movement of the surgical equipment. In addition, mobility allows the robotic arms 102 to be configured in such a way that the robotic arms 102 do not interfere with the patient, doctor, anesthesiologist or any other equipment. During the procedures, a user can control the robotic arms 102 using control devices such as the command console.
[0055] [0055] In some embodiments, the robotic arm 102 includes creating joints that use a combination of brakes and counterweights to maintain a position of the robotic arm 102. Counterweights can include gas springs or helical springs. Brakes, for example, fail-safe brakes, may include mechanical and / or electrical components. In addition, robotic arms 102 may be gravity-assisted passive support robotic arms.
[0056] [0056] Each robotic arm 102 can be coupled to an instrument device manipulator (IDM) 117 with the use of a mechanism changer interface (MCI) 116. The IDM 117 can serve as a tool holder. In some embodiments, IDM 117 can be removed and replaced with a different type of IDM, for example, a first type of IDM that handles an endoscope can be replaced with a second type of IDM that handles a laparoscope. The MCI 116 includes connectors for transferring pneumatic pressure, electrical power, electrical signals, and optical signals from robotic arm 102 to the IDM
[0057] [0057] The tool or instrument 118 may comprise a laparoscopic, endoscopic and / or endoluminal instrument that is capable of performing a procedure at a surgical site of a patient. In some embodiments, instrument 118 comprises a laparoscopic instrument that can be inserted into an incision in a patient. The laparoscopic instrument may comprise a rigid, semi-rigid or flexible drive shaft. When designed for laparoscopy, the distal end of the drive shaft can be connected to an end actuator that can comprise, for example, a wrist, claw, scissors or other surgical tool. In some embodiments, instrument 118 comprises an endoscopic surgical tool that is inserted into a patient's anatomy to capture images of the anatomy (e.g., body tissue). In some embodiments, the endoscopic instrument comprises a tubular and flexible drive shaft. The endoscope includes one or more imaging devices (for example, cameras or sensors) that capture images. Imaging devices can include one or more optical components such as an optical fiber, set of fibers or lenses. The optical components move along with the tip of the instrument 118 so that the movement of the tip of the instrument 118 results in changes in the images captured by the imaging devices. In some embodiments, instrument 118 comprises an endoluminal instrument that can be inserted through a patient's natural orifice, such as a bronchoscope or urethroscope. The endoluminal instrument may comprise a tubular and flexible drive shaft. When designed for endoluminal surgery, the distal end of the drive shaft can be connected to an end actuator that can comprise, for example, a handle, claw, scissors or other surgical tool.
[0058] [0058] In some embodiments, the robotic arms 102 of the robotic surgical system 100 manipulate the instrument 118 with the use of elongated movement members. The elongated movement elements can include traction wires, also called push or pull wires, cables, fibers or flexible drive shafts. For example, the robotic arms 102 act on multiple traction wires attached to the instrument 118 to deflect the tip of the instrument 118. The traction wires can include both metallic and non-metallic materials such as stainless steel, Kevlar, tungsten, carbon fiber and the like. In some embodiments, the instrument 118 may exhibit nonlinear behavior in response to the forces applied by the elongated movement members. The nonlinear behavior can be based on the rigidity and compressibility of the instrument 118, as well as the variability in the clearance or stiffness between different elongated movement members.
[0059] [0059] The robotic surgical system 100 includes a controller 120, for example, a computer processor. Controller 120 includes a calibration module 125, an image recording module 130, and a calibration storage 135. Calibration module 125 can characterize non-linear behavior using a model with linear parts responses along with parameters such as slopes, hysteresis and dead zone values. The robotic surgical system 100 can more accurately control an endoscope 118 by determining precise parameter values. In some embodiments, some or all of the functionality of controller 120 is performed outside of the robotic surgical system 100, for example, in another computer or server system communicatively coupled to the robotic surgical system 100.
[0060] [0060] Figure 1B illustrates a robotic surgical system, according to an alternative modality. Like the modality of the robotic surgical system in Figure 1A, the robotic surgical system in Figure 1B includes one or more robotic arms 102 having an IDM 117 and surgical tool or instrument 118 attached to them. In the present embodiment, the one or more robotic arms 102 are attached to one or more adjustable rails 150 coupled to a patient platform 160 in the form of a bed. In the present embodiment, three robotic arms 102 are attached to an adjustable rail 150 on a first side of the platform for patient 160, while two robotic arms 102 are attached to an adjustable rail 150 on a second side of the platform for patient 160, providing thus a system with bilateral arms. II. Command console
[0061] [0061] Figure 2 illustrates a control console 200 for a robotic surgical system 100, according to one modality. Command console 200 includes console base 201, display modules 202, for example, monitors, and control modules, for example, a keyboard 203 and joystick 204. In some embodiments, one or more of the functionality of the command module 200 can be integrated into a base 101 of the robotic surgical system 100 or another system communicatively coupled to the robotic surgical system 100. A user 205, for example, a doctor, remotely controls the robotic surgical system 100 from an ergonomic position using the 200 command console.
[0062] [0062] The base of the 201 console can include a central processing unit, a memory unit, a data bus and associated data communication ports that are responsible for interpreting and processing signals such as camera images and sensor data and tracking , for example, from instrument 118 shown in Figure 1A. In some embodiments, both the base of the console 201 and the base 101 perform signal processing for load balancing. The console base 201 can also process commands and instructions provided by user 205 via control modules 203 and 204. In addition to the keyboard 203 and joystick 204 shown in Figure 2, the control modules can include other devices, for example, computer mice, track pads, trackballs,
[0063] [0063] User 205 can control a surgical tool like instrument 118 using the control console 200 in a speed mode or in position control mode. In speed mode, user 205 directly controls the pitch and yaw movement of a distal end of the instrument 118 based on direct manual control using the control modules. For example, the movement on the joystick 204 can be mapped to the movement of the yaw and step at the distal end of the instrument 118. The joystick 204 can provide tactile feedback to the user 205. For example, the joystick 204 vibrates to indicate that the instrument 118 it cannot additionally translate or rotate in a certain direction. Command console 200 can also provide visual feedback (for example, instant messaging) and / or audio feedback (for example, beep) to indicate that instrument 118 has reached maximum translation or rotation.
[0064] [0064] In position control mode, control console 200 uses a three-dimensional (3D) map of a patient and predetermined computer models of the patient to control a surgical tool, for example, instrument 118. The control console 200 provides control signals to the robotic arms 102 of the robotic surgical system 100 to manipulate the instrument 118 to a target location. Due to the dependence on the 3D map, the position control mode requires accurate mapping of the patient's anatomy.
[0065] [0065] In some embodiments, users 205 can manually manipulate the robotic arms 102 of the robotic surgical system 100 without using the control console 200. During setup in an operating room, users 205 can move the robotic arms 102,
[0066] [0066] The display modules 202 may include electronic monitors, virtual reality display devices, for example, glasses and / or other means of display devices. In some embodiments, display modules 202 are integrated with control modules, for example, as a tablet device with a touch screen. In addition, user 205 can view the data and enter commands in the robotic surgical system 100 using the integrated display modules 202 and command modules.
[0067] [0067] The display modules 202 can display three-dimensional images with the use of a stereoscopic device, for example, a viewfinder or glasses. The three-dimensional images provide an "endo view" (ie, endoscopic view) which is a three-dimensional computer model illustrating the patient's anatomy. The "endo view" provides a virtual environment of the patient's interior and an expected location of an instrument 118 within the patient. A user 205 compares the "endo vision" model to the actual images captured by a camera to help mentally orient and confirm that the instrument 118 is in the correct - or approximately correct - location in the patient. The "endo view" provides information about anatomical structures, for example, the shape of a patient's intestine or colon, around the distal end of the instrument 118. Display modules 202 can simultaneously display the three-dimensional model and computed tomography scans (CT) of the anatomy around the distal end of the instrument 118. Additionally, display modules 202 can overlap the predetermined optimal navigation paths of the instrument
[0068] [0068] In some embodiments, a model of instrument 118 is shown with three-dimensional models to help indicate the status of a surgical procedure. For example, CT scans identify a lesion in the anatomy where a biopsy may be required. During operation, display modules 202 may display a reference image captured by instrument 118 that corresponds to the current location of instrument 118. Display modules 202 may automatically show different views of the instrument model 118 depending on user and configuration settings. specific surgical procedure. For example, display modules 202 show a fluoroscopic aerial view of the instrument 118 during a navigation step as the instrument 118 approaches a region of operation of the patient. III. Instrument device manipulator
[0069] [0069] Figure 3 illustrates a perspective view of an instrument device manipulator (IDM) 300 for a robotic surgical system and Figure 4 is a side view of the IDM 300, according to one embodiment. The IDM 300 is configured to attach a surgical tool or instrument to a robotic surgical arm in a way that allows the surgical tool to be continuously rotated or "rolled" around a geometric axis of the surgical tool. The IDM 300 includes a base 302 and a surgical tool holder set 304 attached to the base. The surgical tool holder set 304 serves as a tool holder for holding an instrument 118. The surgical tool holder set 304 additionally includes an external housing 306, a surgical tool holder 308, a clamping interface 310, a passage 312 and a plurality of torque couplers 314. In some embodiments, passage 312 comprises a through hole that extends from one face of the IDM 300 to an opposite face of the IDM 300. The IDM 300 can be used with a variety of surgical tools (not shown in Figure 3), which can include a handle and an elongated body (for example, a drive shaft), and which can be for a laparoscope, endoscope, or other types of surgical tool end actuators.
[0070] [0070] The base 302 removably mounts or fixes the IDN 300 to a surgical robotic arm of a robotic surgical system. In the embodiment of Figure 3, the base 302 is fixedly attached to the external compartment 306 of the support set of the surgical tool 304. In alternative embodiments, the base 302 can be structured to include a platform that is adapted to rotate the support of surgical tool 308 on the opposite face of the clamping interface 310. The platform may include a passage aligned with passage 312 to receive the elongated body of the surgical tool and, in some embodiments, an additional elongated body of a second surgical tool mounted coaxially with the first surgical tool.
[0071] [0071] Surgical tool holder 304 is configured to attach a surgical tool to the IDM 300 and rotate the surgical tool in relation to base 302. Electrical and mechanical connections are provided from the surgical arm to base 302 and then to the support assembly surgical tool 304 to rotate the surgical tool holder 308 in relation to the external compartment 306 and to manipulate and / or deliver energy and / or signals from the surgical arm to the surgical tool holder 308 and mainly to the surgical tool. The signals may include signals for pneumatic pressure, electrical power, electrical signals and / or optical signals.
[0072] [0072] The external compartment 306 provides support for the 304 surgical tool holder assembly with respect to the base
[0073] [0073] The surgical tool holder 308 attaches a surgical tool to the IDM 300 via the clamping interface 310. The surgical tool holder 308 is able to rotate independently of the external compartment 306. The surgical tool holder 308 rotates around a rotational geometry axis 316, which aligns coaxially with the elongated body of a surgical tool so that the surgical tool rotates with the surgical tool holder 308.
[0074] [0074] The fixation interface 310 is a face of the surgical tool holder 308 that attaches to the surgical tool. The clamping interface 310 includes a first portion of a clamping mechanism that reciprocally engages a second portion of the clamping mechanism located on the surgical tool, which will be discussed in more detail with reference to Figures 8A and 8B. In some embodiments, the clamping interface 310 comprises a plurality of torque couplers 314 that protrude out of the clamping interface 310 and engage with the respective instrument inlets on the surgical tool. In some embodiments, a surgical dressing coupled with a sterile adapter can be used to create a sterile boundary between the IDM 300 and the surgical tool. In these embodiments, the sterile adapter can be positioned between the clamping interface 310 and the surgical tool when the surgical tool is attached to the IDM 300 so that the surgical dressing separates the surgical tool and the patient from the IDM 300 and the surgical system robotic.
[0075] [0075] The passage 312 is configured to receive the elongated body of a surgical tool when the surgical tool is attached to the fixation interface 310. In the embodiment of Figure 3, the passage 312 is coaxially aligned with the longitudinal geometric axis of the elongated body of the surgical tool and rotational geometry axis 316 of surgical tool holder 308. Passage 312 allows the elongated body of the surgical tool to rotate freely within pass 312. This configuration allows the surgical tool to be continuously rotated or rolled around the geometric axis rotational 316 in any direction with little or no restriction.
[0076] [0076] The plurality of torque couplers 314 is configured to engage and direct the components of the surgical tool when the surgical tool is attached to the surgical tool holder
[0077] [0077] Additionally, each torque coupler 314 can be coupled to a spring that allows the torque coupler to translate. In the modality of Figure 3, the spring causes each torque coupler 314 to be forced outward in the opposite direction to the clamping interface 310. The spring is configured to create the translation in an axial direction, that is, to extend in the direction opposite the clamping interface 310 and retract towards the surgical tool holder 308. In some embodiments, each torque coupler 314 is capable of partially retracting into the surgical tool holder 308. In other embodiments, each torque coupler 314 is capable of fully retracting into the surgical tool holder 308 so that the height of each torque coupler is zero in relation to the clamping interface 310. In the modality of Figure 3, the translation of each torque coupler 314 is actuated by the actuation mechanism, which will be described in more detail with respect to Figures 7 and 8 In various embodiments, each torque coupler 314 can be coupled to a single spring, a plurality of springs, or a respective spring for each torque coupler.
[0078] [0078] In addition, each torque coupler 314 is driven by a respective actuator that causes the torque coupler to rotate in any direction. In this way, once engaged with an instrument input, each 314 torque coupler is capable of transmitting energy to tighten or loosen traction wires within a surgical tool, thereby manipulating the end actuators of a surgical tool. In the embodiment of Figure 3, the IDM 300 includes five torque couplers 314, but the number may vary in other embodiments depending on the number of degrees of freedom desired for the end actuators of the surgical tool. In some embodiments, a surgical dressing coupled with a sterile adapter can be used to create a sterile boundary between the IDM 300 and the surgical tool. In these embodiments, the sterile adapter can be positioned between the clamping interface 310 and the surgical tool when the surgical tool is attached to the IDM 300 and the sterile adapter can be configured to transmit energy from each torque coupler 314 to the respective instrument input.
[0079] [0079] The IDM 300 modality illustrated in Figure 3 can be used in various configurations with a robotic surgical system. The desired configuration may depend on the type of surgical procedure to be performed on a patient or the type of surgical tool being used during the surgical procedure. For example, the desired configuration of the IDM 300 may be different for an endoscopic procedure than for a laparoscopic procedure.
[0080] [0080] In a first configuration, the IDM 300 can be removable or fixedly attached to a surgical arm so that the fixation interface 310 is proximal to a patient during the surgical procedure. In this configuration, hereinafter referred to as "front-mount configuration", the surgical tool is attached to the IDM 300 on a side proximal to the patient. The surgical tool for use with the front mounting configuration is structured so that the elongated body of the surgical tool extends from one side that is opposite the surgical tool fixing interface. As a surgical tool is removed from the IDM 300 in a front-mount configuration, the surgical tool will be removed in a direction proximal to the patient.
[0081] [0081] In a second configuration, the IDM 300 can be removably attached or attached to a surgical arm so that the fixation interface 310 is in a position distal to a patient during the surgical procedure. In this configuration, hereinafter referred to as "posterior assembly configuration", the surgical tool is attached to the IDM 300 on a side distal to the patient. The surgical tool for use with the rear mounting configuration is structured so that the elongated body of the surgical tool extends from a surgical tool fixing interface. This setting increases patient safety when removing the tool from the IDM 300. As a surgical tool is removed from the IDM 300 in a rear-mount configuration, the surgical tool will be removed in a direction distal to the patient.
[0082] [0082] In a third configuration, the IDM 300 can be removably attached or fixed to a surgical arm so that at least a portion of the surgical tool is positioned above the IDM 300, similar to the configuration shown in Figure 1A. In this configuration, hereinafter referred to as "upper" or "through" configuration, a drive axis of the surgical tool extends downwards through the IDM 300.
[0083] [0083] Certain configurations of a surgical tool can be structured so that the surgical tool can be used with an IDM in a front-mount configuration or in a rear-mount configuration. In these configurations, the surgical tool includes a clamping interface at both ends of the surgical tool. For some surgical procedures, the doctor may decide to configure the IDM depending on the type of surgical procedure being performed. For example, the rear-mount configuration can be beneficial for laparoscopic procedures where laparoscopic tools can be especially long compared to other surgical tools. As a surgical arm moves during a surgical procedure, such as when a doctor directs a distal end of the surgical tool to a remote location of the patient (eg, lung or blood vessel), the increased length of the laparoscopic tools causes the surgical arm swings in a larger arc. Beneficially, the rear-mounted configuration decreases the effective tool length of the surgical tool when receiving an elongated body portion through passage 312 and thus decreases the range of motion required by the surgical arm to position the surgical tool.
[0084] [0084] Figures 5 and 6 illustrate exploded views in perspective of an exemplary surgical tool 500 attached to the instrument device manipulator 300 of Figure 3, according to an embodiment. The surgical tool 500 includes a compartment 502, an elongated body 504, and a plurality of instrument entries 600. As previously described, the elongated body 504 can be a laparoscope, endoscope or other surgical tool that has end actuators. As illustrated, the plurality of torque couplers 314 emerge out of the clamping interface 310 to engage the instrument inlets 600 of the surgical tool. The structure of the instrument inputs 600 can be seen in Figure 6, with the inputs of the instrument 600 having geometry corresponding to the torque couplers 314 to ensure the safe engagement of the surgical tool.
[0085] [0085] During a surgical procedure, a surgical drape can be used to maintain a sterile boundary between the IDM 300 and an external environment (ie, an operating room). In the modalities of Figures 5 and 6, the surgical field comprises a sterile adapter 506, a first protrusion 508 and a second protrusion 510. Although not shown in Figures 5 and 6, a sterile sheet is connected to the sterile adapter and the second protrusion and surgical drapes around the IDM 300 to create the sterile boundary.
[0086] [0086] The sterile adapter 506 is configured to create a sterile interface between the IDM 300 and the surgical tool 500 when attached to the IDM
[0087] [0087] In the embodiment of Figures 5 and 6, the sterile adapter 506 additionally comprises a plurality of couplers 512. The first side of a coupler 512 is configured to engage with a respective torque coupler 314 while a second side of a coupler 512 is configured to engage with a corresponding 600 instrument input.
[0088] [0088] Similar to the structure of the plurality of torque couplers 314, each coupler 512 is structured as a cylindrical protuberance that includes a plurality of notches. Each side of coupler 512 has complementary geometry to completely engage the respective torque coupler 314 and the respective instrument input 600. In some embodiments, one or more instrument inputs 600 are called mechanical inputs. Each coupler 512 is configured to rotate clockwise or counterclockwise with the respective torque coupler 314. This configuration allows each coupler 512 to transfer rotational torque from the plurality of torque couplers 314 of the IDM 300 to the plurality of inputs. instrument 600 of the surgical tool 500 and thereby control the end actuators of the surgical tool 500.
[0089] [0089] The first protrusion 508 and the second protrusion 510 are configured to pass through the passage 312 of the IDM 300 and fit with each other within the passage 312. Each protuberance 508, 510 is structured to allow the elongated body 504 to pass through the protrusion and thus through passage 312. The connection of the first protrusion 508 and the second protrusion 510 creates the sterile boundary between the IDM 300 and the external environment (ie, an operating room). IV. Disengaging the surgical tool
[0090] [0090] Figure 7 illustrates an enlarged perspective view of an actuation mechanism for engaging and disengaging a surgical tool 500 from a sterile adapter 506 of a surgical field, according to an embodiment. Due to the configuration of the IDM 300, as described in relation to Figure 3, the geometric axis of the insertion of the surgical tool in the patient during a surgical procedure is the same as the geometric axis of the removal of the surgical tool. To ensure patient safety during removal of the surgical tool, the surgical tool 500 can be dismantled from the sterile adapter 506 and IDM 300 before removal of the surgical tool 500. In the embodiment of Figure 7, the plurality of couplers 512 are configured to move in an axial direction, that is, extend in the opposite direction and retract towards the sterile adapter
[0091] [0091] The wedge 702 is a structural component that activates the propeller plate 704 during the surgical tool disengagement process. In the embodiment of Figure 7, the wedge 702 is located inside the compartment 502 of the surgical tool 500 along the outer perimeter of the compartment 502. As shown, the wedge 702 is oriented so that the contact with the drive plate 704 causes the drive plate 704 press the sterile adapter 506 if the compartment 502 of the surgical tool 500 is rotated clockwise with respect to the sterile adapter 506. In alternative embodiments, the wedge 702 can be configured so that the compartment 502 of the surgical tool 500 is rotated counterclockwise and not clockwise. Different geometries of a wedge can be used, such as an arc-shaped ramp, since the structure is able to press the propellant plate when turning.
[0092] [0092] The drive plate 704 is an actuator that disengages the plurality of couplers 512 from the surgical tool 500. Similar to the plurality of torque couplers 314, each of the couplers 512 can be coupled to one or more springs that tilt each coupler 512 to jump out in the opposite direction to the sterile adapter 506. The plurality of couplers 512 are additionally configured to shift in an axial direction, that is, extend in the opposite direction and retract into the sterile adapter 506. Propeller plate 704 acts on the movement translational with the couplers
[0093] [0093] Figures 8A and 8B illustrate a process of engaging and disengaging a surgical tool from a sterile adapter, according to an embodiment. Figure 8A illustrates a sterile adapter 506 and a surgical tool 500 in a secured position, so that the two components are attached to each other and the plurality of couplers 512 are fully engaged with the respective instrument inlets 600 of the surgical tool 500. To reach the secure position, as shown in Figure 8A, the elongated body 504 (not shown) of the surgical tool 500 is passed through the central hole 508 (not shown) of the sterile adapter 506 until the mating surfaces of the surgical tool 500 and of the sterile adapter 506 are in contact and the surgical tool 500 and the sterile adapter 506 are attached to each other by means of a locking mechanism. In the embodiments of Figures 8A and 8B, the locking mechanism comprises a protrusion 802 and a lock 804.
[0094] [0094] The protrusion 802 is a structural component that holds the lock 804 in the secured position. In the embodiment of Figure 8A, the protrusion 802 is located inside the compartment 502 of the surgical tool 500 along the outer perimeter of the compartment 502. As shown in Figure 8A, the protrusion 802 is oriented so that it is below a protrusion over the latch 804, preventing latch 804 and once the sterile adapter 506 is pulled in the opposite direction from the surgical tool 500 due to the emerging nature of the plurality of couplers 512, as described with reference to Figure 7.
[0095] [0095] The lock 804 is a structural component that fits with the protrusion 802 in the secured position. In the embodiment of Figure 8A, the lock 804 protrudes from the inserting surface of the sterile adapter 506. The lock 804 comprises a protrusion that is configured to remain against the protrusion 802 when the surgical tool 500 is attached to the sterile adapter 506. In the In the embodiment of Figure 8A, the compartment 502 of the surgical tool 500 is able to rotate independently of the rest of the surgical tool 500. This configuration allows the compartment 502 to rotate in relation to the sterile adapter 506 so that the protrusion 802 is secured against the lock 804 , thus attaching the surgical tool 500 to the sterile adapter 502. In the embodiment of Figure 8A, the compartment 502 is rotated counterclockwise to reach the clamped position, but other modalities can be configured for clockwise rotation. In alternative embodiments, the protrusion 802 and the lock 804 can have several geometries that lock the sterile adapter 506 and the surgical tool 500 in the secured position.
[0096] [0096] Figure 8B illustrates the sterile adapter 506 and the surgical tool 500 in a non-clamped position, in which the surgical tool 500 can be removed from the sterile adapter 506. As previously described, compartment 502 of the surgical tool 500 is capable of rotate independently of the rest of the surgical tool 500. This configuration allows the compartment 502 to rotate even while the plurality of couplers 512 are engaged with the instrument inputs 600 of the surgical tool 500. To change from the locked position to the released position, a user rotates the compartment 502 of the surgical tool 500 clockwise in relation to the sterile adapter 506. During this rotation, the wedge 702 contacts the drive plate 704 and progressively presses the drive plate 704 as it slides against the inclined plane of the wedge 702 , thus causing the plurality of couplers 512 to retract into the sterile adapter 506 and disengage the pl urality of instrument inputs 600. Additional rotation causes lock 804 to come into contact with an axial cam 806, which is structured similarly to wedge 702. As lock 804 comes into contact with axial cam 806 during rotation, the axial cam 806 causes the lock 804 to flex outwards in the opposite direction to the surgical tool 500 so that the lock 804 is displaced from the protrusion 802. In this released position, the plurality of couplers 512 are retracted and the surgical tool 500 can be removed from the sterile adapter 506, as shown in Figure 8B. In other embodiments, the axial cam 806 may have several geometries so that the rotation causes the lock 804 to flex outwards.
[0097] [0097] In alternative modes, the direction of rotation of the compartment 502 of the surgical tool 500 can be configured so that the counterclockwise rotation releases the lock 804 of the protrusion
[0098] [0098] Figures 9A and 9B illustrate a process of engaging and disengaging a surgical tool from a sterile adapter, according to another mode. In the embodiment of Figures 9A and 9B, a sterile adapter 900 can include an outer band 902 that secures the surgical tool 904 to the sterile adapter 900. As illustrated in Figures 9A and 9B, the surgical tool 902 comprises a ramp 906 on the outer surface of the compartment 908. The ramp 906 includes a notch 910 that is configured to receive a circular protrusion 912, which is positioned on an inner surface of the outer strap 902 of the sterile adapter 900. The outer strap 902 is able to rotate independently of and in relation to the sterile adapter 900 and surgical tool 904. As the outer band 902 rotates in a first direction, the circular protrusion 912 slides onto the surface of the ramp 906 until circular protrusion 912 is nested within the notch 910, thereby securing the adapter sterile 900 and surgical tool 904 together. Rotation of the outer band 902 in a second direction causes the sterile adapter 900 and surgical tool 904 to disengage from each other. In certain embodiments, this mechanism can be coupled with a disarticulation of the plurality of couplers 914 on the sterile adapter 900, as described with reference to Figures 7 and 8.
[0099] [0099] Alternative modalities for disengaging the surgical tool may include additional features, such as an impedance mode. With an impedance mode, the robotic surgical system can control whether the surgical tool can be removed from the sterile adapter by the user. The user can initiate the disengagement mechanism by rotating the external compartment of the surgical tool and releasing the surgical tool from the sterile adapter, but the robotic surgical system may not release the couplers from the instrument inlets. As soon as the robotic surgical system transits in impedance mode, the couplers have been released and the user can remove the surgical tool. An advantage of keeping the surgical tool engaged is that the robotic surgical system can control the surgical tool's end actuators and position them for tool removal before the surgical tool is removed to minimize damage to the surgical tool. To activate an impedance mode, the booster plate 704 can have a stop so that the booster plate can be pressed up to a certain distance. In some embodiments, the drive plate stop can be adjustable so that the stop coincides with the maximum amount of rotation of the surgical tool compartment. In this way, once full rotation is achieved, the stop is also reached by the propellant plate. A plurality of sensors can detect these events and activate the impedance mode.
[00100] [00100] Certain situations may require emergency removal of the tool during a surgical procedure in which the impedance mode may not be desirable. In some embodiments, the propeller plate stop may conform, so that the stop can give way in an emergency. The drive plate stop can be attached to a spring, allowing the stop to sag in response to additional force. In other embodiments, the drive plate stop may be rigid so that emergency removal of the tool occurs by removing the lock that secures the surgical tool to the sterile adapter. V. Scrolling mechanism
[00101] [00101] Figure 10A illustrates a perspective view of a mechanism for rolling a surgical tool holder 308 into an instrument device manipulator 300, according to an embodiment. As shown in Figure 10A, the clamping interface 310 is removed to expose the scroll mechanism. This mechanism allows the surgical tool holder 308 to continuously rotate or "roll" around the rotational geometry axis 316 in any direction. The scrolling mechanism comprises a stator gear 1002 and rotor gear 1004.
[00102] [00102] The stator gear 1002 is a stationary gear configured to fit with the rotor gear 1004. In the embodiment of Figure 10A, the stator gear 1002 is a ring-shaped gear that comprises gear teeth on the inner circumference of the ring . The stator gear 1002 is fixedly attached to the external housing 306 behind the clamping interface
[00103] [00103] The rotor gear 1004 is a rotating gear configured to induce the rotation of the surgical tool holder
[00104] [00104] Figure 10B illustrates a cross-sectional view of an instrument device manipulator 300, according to an embodiment. As shown in Figure 10B, the scroll mechanism is coupled to a plurality of 1006 bearing housings.
[00105] [00105] Figure 10B also illustrates sealing components within the IDM 300, according to an embodiment. The IDM 300 comprises a plurality of sealing rings 1008 and a plurality of gaskets 1010 which are configured to seal a joint between two surfaces to prevent fluids from entering the joint. In the form of Figure 10B, the IDM includes sealing rings 1008a, 1008b, 1008c, 1008d, 1008e between the joints of the external compartment and the gaskets 1010a, 1010b between the joints inside the support of the surgical tool 308. This configuration helps to maintain the sterility of components within the IDM 300 during a surgical procedure. Gaskets and sealing rings are typically composed of strong elastomeric materials (for example, rubber).
[00106] [00106] Figure 10C illustrates a partially exploded perspective view of the internal components of an instrument device manipulator and certain electrical components thereof, according to an embodiment. The internal components of the surgical tool holder 308 include a plurality of actuators 1102, a motor, a reducer (not shown), a torque sensor (not shown), a torque sensor amplifier 1110, a slip ring 1112, a plurality encoding plates 1114, a plurality of motor power plates 1116 and an integrated controller 1118.
[00107] [00107] The plurality of actuators 1102 trigger the rotation of each one among the plurality of torque couplers 314. In the embodiment of Figure 10C, an actuator, such as 1102a or 1102b, is coupled to a torque coupler 314 through an axis of motor drive. The motor drive shaft can be a keyed drive shaft so that it includes a plurality of grooves to allow the motor drive shaft to fit tightly to a torque coupler 314. Actuator 1102 makes the drive shaft the motor rotates clockwise or counterclockwise, thus causing the respective torque coupler 314 to rotate in that direction. In some embodiments, the motor drive shaft can be torsionally rigid, but compatible with the spring, allowing the motor drive shaft and torque coupler 314 to rotate to translate in an axial direction. This configuration can allow the plurality of torque couplers 314 to retract and extend inside the surgical tool holder 308. Each actuator 1102 can receive electrical signals from the integrated controller 1118 indicating the direction and quantity to rotate the motor drive shaft. . In the embodiment of Figure 10C, the surgical tool holder 308 includes five torque couplers 314 and thus five actuators 1102.
[00108] [00108] The motor drives the rotation of the surgical tool holder 308 inside the external compartment 306. The motor can be structurally equivalent to one of the actuators, except that it is coupled to the rotor gear 1004 and the stator gear 1002 (see Figure 10A) to rotate the surgical tool holder 308 in relation to the external compartment 306. The motor causes the rotor gear 1004 to rotate clockwise or counterclockwise, thus causing the rotor gear 1004 to move around the stator gear teeth 1002. This configuration allows the surgical tool holder 308 to rotate continuously or rotate without being impeded by pull cables or wires. The motor can receive electrical signals from the integrated controller 1118 indicating the direction and amount to rotate the motor's drive shaft.
[00109] [00109] The reducer controls the amount of torque supplied to the surgical tool 500. For example, the reducer can increase the amount of torque supplied to the instrument inputs 600 of the surgical tool 500, Alternative modes can be configured so that the reducer decreases the amount of torque supplied to the 600 instrument inputs.
[00110] [00110] The torque sensor measures the amount of torque produced in the rotating surgical tool holder 308. In the mode shown in Figure 10C, the torque sensor is capable of measuring torque in a clockwise and counterclockwise direction. Torque measurements can be used to maintain a specific amount of stress on a plurality of surgical tool pull wires. For example, some modalities of the robotic surgical system may have a self-tensioning feature, and, by energizing the robotic surgical system or attaching a tool or attaching a surgical tool to an IDM, the tension in the surgical tool's traction wires will be preloaded. The amount of tension on each traction wire can reach a threshold amount so that the traction wires are tensioned enough to be tense. The torque sensor amplifier 1110 comprises the circuit to amplify the signal that measures the amount of torque produced in the support of the rotating surgical tool 308. In some embodiments, the torque sensor is mounted on the motor.
[00111] [00111] Slip ring 1112 allows the transfer of electrical energy and signals from a stationary structure to a rotating structure. In the embodiment of Figure 10C, the slip ring 1112 is structured as a ring that includes a central hole that is configured to align with the passage 312 of the surgical tool holder 308, as also shown in an additional perspective view of the slip ring. 1112 in Figure 10D. The first side of the slip ring 1112 includes a plurality of concentric notches 1120 while a second side of the slip ring 1112 includes a plurality of electrical components for the electrical connections provided from the surgical arm and the base 302, as described with reference to Figure 3. Slip ring 1112 is attached to the outer compartment 306 of the surgical tool holder 308 at a specific distance from the outer compartment 306 to allocate space for these electrical connections. The plurality of concentric notches 1120 are configured to fit with a plurality of brushes 1122 attached to the integrated controller. The contact between the grooves 1120 and the brushes 1122 allows the transfer of electrical energy and the signals from the surgical arm and the base to the support of the surgical tool.
[00112] [00112] The plurality of encoding plates 1114 read and process the signals received through the slip ring from the robotic surgical system. The signals received from the robotic surgical system may include signals indicating the amount and direction of rotation of the surgical tool, signals indicating the amount and direction of rotation of the surgical tool end actuators and / or pulse, signals operating a light source in the surgical tool, signals operating a video or imaging device on the surgical tool, and other signals operating various features of the surgical tool. The configuration of the encoder plates 1114 allows all signal processing to be carried out completely in the surgical tool holder 308. The plurality of motor supply plates 1116 each comprise a circuit for supplying power to the motors.
[00113] [00113] The integrated controller 1118 is the computing device within the holder of the surgical tool 308. In the embodiment of Figure 10C, the integrated controller 1118 is structured as a ring that includes a central hole that is configured to align with the passage 312 of the surgical tool holder 308. The integrated controller 1118 includes a plurality of brushes 1122 on a first side of the integrated controller 1118. The brushes 1122 come into contact with the slip ring 1112 and receive signals that are released from the robotic surgical system via the arm surgical, from base 302 and, finally, through the slip ring 1112 to the integrated controller 1118. As a result of the received signals, the integrated controller 1118 is configured to send various signals to the respective components within the holder of the surgical tool
[00114] [00114] Figure 10D illustrates a partially exploded perspective view of the internal components of an instrument device manipulator and certain electrical components thereof, according to an embodiment. The embodiment of Figure 10D includes two encoding plates 1114a and 1114b, a torque sensor amplifier 1110 and three motor power plates 1116a, 1116b, and 1116c. These components are attached to the integrated controller 1118 and project outwards, extending perpendicularly from the integrated controller 1118. This configuration provides space for the plurality of actuators 1102 and the motor to be positioned within the electrical plates.
[00115] [00115] As discussed in relation to Figure 10C, the slip ring 1112 is attached at a specific distance from the external compartment 306. To ensure the correct allocation of space between the slip ring 1112 and the external compartment 306 for the electrical connections of the surgical arm and from the base 302 to the slip ring 1112, in the embodiment of Figure 10D, the slip ring 1112 is supported by a plurality of alignment pins, a plurality of helical springs and a shim. Slip ring 1112 includes a hole 1124 on each side of the center hole of slip ring 1112 that is configured to accept a first side of an alignment pin while a second side of the alignment pin is inserted into a respective hole in the outer housing 306. The alignment pins can be composed of rigid materials (for example, metal or rigid plastics). The plurality of coil springs are secured around the center of the slip ring 1112 and configured to fill the space and maintain contact between the slip ring 1112 and the outer compartment 306. The coil springs can beneficially absorb any impact to the IDM 300. The shim is a ring-shaped spacer that is positioned around the central hole of the slip ring
[00116] [00116] Figure 10E illustrates an enlarged perspective view of electrical components of an instrument device manipulator 300 for indexing the roll of the surgical tool holder 308, according to an embodiment. The scroll indexing monitors the position of the surgical tool holder 308 in relation to the external compartment 306 so that the position and orientation of the surgical tool 500 are continuously known by the robotic surgical system. The embodiment of Figure 10E includes a microswitch 1202 and a protrusion 1204. The microswitch 1202 and the protrusion 1204 are attached to the inside of the surgical tool holder 308. The protrusion 1204 is a structure on the outer compartment 306 that is configured to contact with microswitch 1202 as the holder of the surgical tool 308 rotates, thus activating the microswitch each time there is contact with the protrusion 1204. In the embodiment of Figure 10E, there is a protrusion 1204 that serves as a single reference point for the microswitch 1202. VII. Instruments that have instrument-based insertion architectures
[00117] [00117] Various tools or instruments can be attached to the IDM 300, including instruments used for laparoscopic, endoscopic and endoluminal surgeries. The instruments described here are particularly new, as they include instrument-based insertion architectures that reduce confidence in the robotic insertion arms. In other words, the insertion of an instrument (for example, towards a surgical site) can be facilitated by the instrument's design and architecture. For example, in some embodiments, in which an instrument comprises an elongated drive shaft and a handle, the architecture of the instrument allows the elongated drive shaft to translate in relation to the handle along a geometric insertion axis.
[00118] [00118] The instruments described here incorporate instrument-based insertion architectures that solve many issues. Instruments that do not incorporate an instrument-based insertion architecture have a robotic arm and its IDM for insertion. In this arrangement, to achieve instrument insertion, the IDM may need to be moved in and out, thus requiring more engine power and a larger arm connection size to move additional mass in a controlled manner. In addition, the higher volume creates a much larger displaced volume that can result in collisions during operation. By incorporating instrument-based insertion architectures, the instruments described here typically have a reduced balance mass, since the instrument itself (for example, its drive axis) moves along a geometric insertion axis with less dependence on the robotic arm.
[00119] [00119] Some types of instruments described here may have new instrument-based insertion architectures that not only allow the insertion of the instrument, but also allow an instrument end actuator to act without interference. For example, in some embodiments, an instrument comprises a first actuation mechanism to actuate an end actuator and a second actuation mechanism to cause the translation of a portion of the instrument (for example, a drive shaft) along a geometric insertion axis. The first actuation mechanism is advantageously decoupled from the second actuation mechanism so that the actuation of the end actuator is not affected by the insertion of the instrument, and vice versa.
[00120] [00120] Figure 11 illustrates a side view of an instrument having an instrument-based insertion architecture, according to a modality. The design and architecture of the 1200 instrument allows the instrument (for example, its drive axis) to translate along a geometric insertion axis with less dependence on the movement of a robotic arm for insertion.
[00121] [00121] The instrument 1200 comprises an elongated drive shaft 1202, an end actuator 1212 connected to the drive shaft 1202 and a handle 1220 coupled to the drive shaft 1202. The elongated drive shaft 1202 comprises a tubular member having a portion proximal 1204 and a distal portion 1206. The elongated drive axis 1202 comprises one or more channels or grooves 1208 along its outer surface. The grooves 1208, which are most visible in the cross-sectional view of the drive shaft 1202, are configured to receive one or more wires or cables 1230 through them. One or more cables 1230 thus pass along an external surface of the elongated drive shaft 1202. In other embodiments, the cables 1230 can also pass through the drive shaft 1202, as shown in the schematic drawing in Figure 21. In some embodiments , the cables 1230 passing through the drive shaft 1202 are not exposed. In some embodiments, manipulation of one or more of these 1230 cables (for example, via the IDM 300) results in the actuation of the end actuator 1212.
[00122] [00122] The 1212 end actuator comprises one or more laparoscopic, endoscopic or endoluminal components designed to provide an effect to a surgical site. For example, end actuator 1212 may comprise a handle, claw, teeth, tweezers, scissors or clamps. In the present embodiment shown in Figure 11, one or more of the cables 1230 that extend along the grooves 1208 on the external surface of the drive shaft 1202 actuate the end actuator 1212. One or more cables 1230 extend from a proximal portion 1204 of the drive shaft 1202, through the handle 1220 and towards the distal portion 1206 of the drive shaft 1202, where they actuate the end actuator 1212.
[00123] [00123] The handle of the instrument 1220, which can also be called an instrument base, can generally comprise a fastening interface 1222 that has one or more mechanical inputs 1224, for example, receptacles, pulleys or coils, which are designed for be reciprocally fitted with one or more torque couplers 314 on a fixing interface 310 of the IDM 300 (shown in Figure 3). The clamping interface 1222 is capable of clamping to an IDM 300 by means of front mounting, rear mounting and / or top mounting. When physically connected, locked and / or coupled, the mechanical inputs 1224 of the handle 1220 of the instrument can share geometrical axes of rotation with the torque couplers 314 of the IDM 300, thus allowing the transfer of torque from the IDM 300 to the instrument handle. 1220. In some embodiments, torque couplers 314 may comprise grooves that are designed to fit with receptacles on mechanical inputs. The cables 1230 that actuate the end actuator 1212 engage the receptacles, pulleys or coils of the handle 1220, so that the torque transfer from the IDM 300 to the handle of the instrument
[00124] [00124] Some modalities of instrument 1200 comprise a first actuation mechanism that controls the actuation of end actuator 1212. One embodiment of such a first actuation mechanism is illustrated schematically in Figure 12. In addition, instrument 1200 includes a second mechanism actuation that allows the drive shaft 1202 to translate in relation to the handle 1220 along a geometrical insertion axis. One embodiment of such a second actuation mechanism is shown in Figure 17. Advantageously, the first actuation mechanism is decoupled from the second actuation mechanism so that the actuation of the end actuator 1212 is not affected by the translation of the drive shaft 1202 and vice -version. The modalities of the first and second drive mechanisms that can be incorporated into a tool or instrument 1200 are described in more detail below in relation to Figures 12 to 20.
[00125] [00125] Figure 12 illustrates a schematic diagram showing a first actuation mechanism to actuate an end actuator, according to a modality. In some modalities, the first actuation mechanism provides N + 1 wrist movement, where N is the number of degrees of freedom provided by the N + 1 cables. The first actuation mechanism for actuating the end actuator 1212 comprises at least one cable or cable segment 1230a that extends through at least one set of pulleys 1250. In the present embodiment, a first cable or cable segment 1230a extends through of the pulley members 1250a, 1250b, 1250c, while a second cable 1230a extends through the pulley members 1250d, 1250e, 1250f. The at least one cable 1230a is grounded at or near the proximal end 1205 of the drive shaft 1202, then extends through at least one set of pulleys 1250 (which are located inside the handle 1220), before terminating at the actuator. end 1212. The total cable path length is kept constant by grounding each cable 1230a at or near the proximal end 1205 of the drive shaft 1202 and changes in relative length are made by the moving pulleys (for example, pulley members 1250b and 1250e) in relation to each other (see arrows), thus enabling the actuation of the end actuator
[00126] [00126] Figure 13 illustrates an enlarged side view of a first actuation mechanism of the instrument of Figure 11, according to a modality. The first actuation mechanism corresponds to the schematic diagram shown in Figure 12 and is designed to cause the end actuator 1212 to act, while allowing a separate second actuation mechanism to translate the drive shaft 1202 in relation to the handle 1220. As shown in Figure 13, the handle 1220 includes a set of bearings, coils, pulleys or pulley elements 1250a, 1250b, 1250c, 1250d, 1250e (the pulleys 1250a, 1250b, 1250c corresponding to the same set of pulleys in Figure 12). A cable 1230a extends through the pulleys 1250a, 1250d, 1250b, 1250e, 1250c. The manipulation of a mechanical entry (identified as 1224 'in Figure 13) causes the pulleys to rotate 1250d, 1250b, 1250e. The rotary movement of the pulleys 1250d, 1250b, 1250e changes the amount of cable 1230 that is received in the handle 1220, thus activating the end actuator. The effect of the rotary movement of the pulleys 1230a on the cable is shown in Figures 15 and 16. Depending on the direction of the rotary movement, the pulleys 1250d, 1250e can either wind or "retract" the cable 1230 in the handle 1220 or they can unwind and "distribute" "the cable 1230a in the handle 1220. In any case, the length of the cable 1230a changes inside the handle 1220, thus causing the actuator of the end actuator 1212. Although the modality in Figure 13 represents a pulley system that is modified by movement rotary, in other modalities, the pulley system can be modified by linear and / or rotary movement. In addition, the person skilled in the art will understand that a change in length in the amount of cable 1230a in the handle 1220 can also change the tension of the cable.
[00127] [00127] Figure 14 illustrates an enlarged perspective view of a first actuation mechanism of the instrument of Figure 11, according to a modality. From that view, different details of the pulleys 1250a-e can be seen, including the coils of the pulleys 1250a, 1250c.
[00128] [00128] Figures 15 and 16 illustrate a front view of a pulley member 1250e and cable of the instrument of Figure 11, before and after the actuation of the pulley member, according to an embodiment. Torque to the mechanical input 1224 'rotates the pulleys 1250e, 1250b and 1250d. As shown in Figure 15, before the actuation of the pulley 1250e, the cable 1230a can pass along one side of the pulley 1250e. As shown in Figure 16, after the actuation of the pulley 1250e, the cable 1230a is then wrapped and retracted by the pulley, thus increasing the amount of cable 1230a inside the handle 1220 to cause the actuation of an end actuator.
[00129] [00129] Although the modalities in Figures 11 to 16 reveal one or more pulleys mounted on a rotating geometric axis to change the relative length of the cable, in other modalities, the assembly of a pulley in a system based on a lever, gear or rail to adjust the location are additional options. In addition, rotary splined shaft drives that run a tool length could also be used to transmit forces mechanically remotely.
[00130] [00130] Figure 17 illustrates a side view of a second actuation mechanism that includes a coil for the translation of the drive shaft, according to a modality. The second actuation mechanism is designed to translate the drive shaft 1202 in relation to the handle 1220 along a geometrical insertion axis. As the first actuating mechanism that drives the 1212 end actuator, the second actuating mechanism can also be incorporated inside the handle
[00131] [00131] The second actuation mechanism comprises a cable or cable segment 1230b that engages a set of coils 1270a, 1270b, 1270c, 1270d. One end of the cable 1230b can be attached to or near a proximal end 1205 of the drive shaft 1202, while the other end of the cable 1230b can be attached to or near a distal end 1207 of the drive shaft 1202. The cable 1230b extends through the coil set 1270a, 1270b, 1270c, of which coil 1270b is a capstan. Rotating a mechanical entry of the handle 1220 causes the capstan to rotate, thus driving the cable 1230b in and out of the capstan. While a 1230b cable is driven in and out of the capstan, this causes the drive shaft
[00132] [00132] In the present embodiment, the capstan 1270b comprises a capstan of zero pitch. In other embodiments, as shown in Figures 18 and 19, a capstan can be incorporated into the handle 1220 and can allow the passage of cables. The zero pitch capstan architecture helps to manage multiple loops of the 1230b cable around the 1270b capstan without a helix angle over the groove to prevent the cable from traversing the 1270b capstan, which could affect the overall trajectory of length and change of tension in the cable. By placing an additional pulley 1270d at an inclination close to the capstan 1270b, a redirection to a parallel path over the capstan 1270b can be achieved, resulting in no path action of the cable 1230b in the capstan 1270b.
[00133] [00133] Figures 18 and 19 show alternative modalities for the zero pitch capstan shown in Figure 17. In these modalities, the capstan that drives the insertion of the drive shaft is an extended capstan 1270e that can be incorporated in the architecture of the second mechanism performance. With a drive capstan large enough 1270e and a small enough insertion stroke, the number of rotations of the capstan is small. For example, with a drive capstan of 22 mm 1270e and an insertion stroke of 350 mm, the number of rotations of the capstan 1270e for a complete insertion range in 5 rotations. If the distance the cable passes is large enough compared to the cable path range of the capstan 1270e, the value of the angle of deviation in the cable and change in the length of the path during insertion is small enough to be insignificant. In some embodiments, the angle of deviation can be between +/- 2 degrees.
[00134] [00134] Figure 18 illustrates a perspective view of an alternative coil using a single cable for translation of the drive shaft, according to a modality. The alternative coil comprises an extended capstan 1270e which is engaged by a single cable 1230b. In this mode, to actuate the insertion of the drive shaft, the single cable 1230b has a wrap angle that is large enough to have enough capstan friction to drive. In some embodiments, the single cable 1230b is continuous and wraps the capstan 1270e multiple times (for example, 3, 4 or more times) to have a wrap angle large enough to drive the capstan and the insert.
[00135] [00135] Figure 19 illustrates a perspective view of an alternative coil using more than one cable for translation of the drive shaft, according to one modality. The alternative coil comprises an enlarged capstan 1270e which is engaged by two separate segments 1230b ', 1230b "of a cable 1230b. Each of the segments 1230b ', 1230b "ends at the capstan 1270e. Unlike the modality in Figure 18, the present modality does not depend on friction of the capstan to drive the insertion of the drive shaft. In this mode, the 1230b cable is helical to the external parts and then terminated in a coil at the top and bottom. An advantage of the double termination approach shown in Figure 19 is that it is resilient to the loss of cable tension. Since the double-ended approach relies on positive engagement rather than friction, slippage cannot happen.
[00136] [00136] Figure 20 illustrates a front view of a handle including the coil of Figure 18, according to an embodiment. From this view, a possible position of the coil (for example, capstan 1270e) can be seen inside the handle 1220. Advantageously, additional coils and pulleys can be provided inside the handle 1220 to actuate the end actuator
[00137] [00137] Figure 21 illustrates a schematic diagram showing an alternative architecture to actuate an end actuator and the insertion of the drive shaft, according to a modality. The architecture incorporates a first actuation mechanism to actuate an end actuator and a second actuation mechanism to insert the drive shaft. As in previous embodiments, the first actuation mechanism and the second actuation mechanism are separated from each other, so that the actuation of the end actuator has no impact on the insertion of the drive shaft and vice versa. However, in the present embodiment, the first actuation mechanism comprises one or more cables to drive an end actuator that ends in an insertion coil (which is also used as part of the second actuation mechanism for inserting the drive shaft), while instead of ending on the proximal and distal portions of the drive shaft as shown in Figure 12. As a result of this architecture, during the insertion of the drive shaft through a second actuation mechanism, one or more cables that are wound by the coil of inserts are substantially balanced by a length of one or more cables (used in a first actuating mechanism to actuate an end actuator) that are unwound by the insertion coil. During the actuation of the end actuator through a first actuation mechanism, it is possible to change the path lengths of the cables coming out of the insertion coil.
[00138] [00138] As shown in Figure 21, the alternative architecture for the actuation of the end actuator and the insertion of the drive shaft comprises a drive shaft 1302 having a proximal portion 1304 and a distal portion 1306 where an end actuator is located. One or more coils 1370a, 1370b, 1370c, 1370d, 1370e (which are part of a handle) are positioned around drive shaft 1302. Coil 1370c comprises an insertion coil. Rotation of the insertion coil 1370c in a first direction causes translation of the drive shaft relative to the handle in a first direction (for example, in an insertion direction), while rotation of the insertion coil 1370c in a second direction causes the translation of the drive shaft in relation to the handle in a second direction (for example, in a retraction direction). One or more cables or cable segments 1330a terminates at an end actuator (for example, a pulse) at one end and an insertion coil at the other. One or more additional cables or cable segments 1330b also start at the insertion coil 1370c before ending at, near or towards a distal portion 1306 of the drive shaft 1302.
[00139] [00139] In the present modality, a first actuation mechanism is provided in which the manipulation of one or more coils (for example, coils 1370a, 1370d) by means of linear or rotary movement causes a change in the length of one or more cables 1330a inside the grip. In some embodiments, changing the length of one or more 1330a cables within the handle may include changing the length of the path of one or more cables or cable segments within the handle. In this first actuation mechanism, the one or more 1330a cables can be considered as "end actuator" cables. Any change in the length of one or more 1330a cables in the grip that causes the end actuator to act is counterbalanced by a length of one or more 1330b cables.
[00140] [00140] In the present modality, a second actuation mechanism is provided in which the manipulation of the insertion coil 1370c by means of linear or rotary movement causes a change in the length of the one or more 1330b cables inside the handle. In this second actuation mechanism, the one or more 1330b cables can be considered as "insertion" cables. Any change in the length of one or more 1330b cables in the handle that causes the drive shaft to be inserted or retracted is counterbalanced by a length of one or more 1330a cables. Under insertion and retraction, tension is maintained because equal amounts of one or more end actuator cables 1330a are applied when the one or more insertion cables 1330b are being retracted. The relative length of the path of the one or more cables of the end actuator 1330a remains unchanged, so that the end actuator does not move under the insert.
[00141] [00141] Figure 22A illustrates an enlarged front view of an instrument incorporating the alternative architecture for actuating an end actuator and the insertion of the drive shaft of Figure 21, according to an embodiment.
[00142] [00142] Figure 23 illustrates a top perspective view of an instrument handle and drive shaft, according to a modality. The drive shaft 1202 can move in relation to the handle 1220. From this view, one or more mechanical entrances 1224 can be seen which, by rotation, actuate the end actuator. In addition, it is possible to see one or more mechanical inputs 1324, which by turning, allows the translation of the drive shaft 1202 in relation to the handle 1220 along a geometrical insertion axis. The clamping interface 1222 includes one or more mechanical inputs 1224, 1324, for example, receptacles, pulleys or coils, which are designed to be reciprocally fitted with one or more torque couplers 314 on an IDM 300 clamping interface 310 (shown in Figure 3).
[00143] [00143] Figure 24A illustrates a schematic view of a cross section of a drive shaft of the instrument using the insertion architecture shown in Figure 12, while Figure 24B illustrates a schematic view of a cross section of a drive shaft of instrument using the alternative insertion architecture shown in Figure 21. Although not visible, each of the cross sections in Figures 24A and 24B includes openings or lumens that extend through it. As shown in
[00144] [00144] The architectures described above (for example, shown in Figures 12 and 21) can be used to actuate an end actuator and accommodate the insertion of the instrument. In addition, these architectures can be incorporated into specific types of instruments to assist in surgical procedures.
[00145] [00145] An instrument like this is a vessel seal. With a vessel seal, a knife or cutter can be directed through it to cut the fabric. In some embodiments, the movement of the knife is rotational. In other modalities, the movement of the knife is translational. Figures 25 to 27 show different architectures that can be incorporated into a vessel sealing instrument to direct a knife through it. The architectures shown in these figures are similar to the architecture and related mechanisms shown in Figure 12, but in other modalities, the architectures may be similar to the architecture and related mechanisms shown in Figure 21.
[00146] [00146] Figures 25 to 27 illustrate schematic diagrams showing different architectures for directing a knife through a vessel seal. The architectures create a differential in the length of the path between the cables and transform this change in the length of the differential path into a linear movement of the knife. In the modalities in Figures 25 and 26, two cables 1430a, 1430b are placed in tension, while in the embodiment in Figure 27, a single cable 1430 and a spring 1490 are used for tensioning. In modalities in which two cables are placed in counter-tension, the linear movement of the knife is obtained by using both differentials on the same geometric input axis, but in opposite directions (for example, one is a cable being unwound while the other cable is being rolled up). A double opposed cable approach also uses a redirected pulley to close the tension loop and this can be mounted at or near the proximal end or at or near the distal end of a drive shaft (shown respectively in Figures 25 and 26). Once the handle is being pulled in and out, the knife can be attached to a section of the handle to create movement in and out of the knife;
[00147] [00147] Figure 25 illustrates a schematic diagram showing an architecture for driving a 1482 knife into a vessel seal
[00148] [00148] Figure 26 illustrates a schematic diagram showing an alternative architecture for driving a knife on a vessel seal. The architecture is similar to that shown in Figure 25; however, in the present mode, the redirection pulley is positioned at or near a distal portion of the drive shaft.
[00149] [00149] Figure 27 illustrates a schematic diagram showing yet another alternative architecture for driving a knife in a vessel seal. Unlike the previous modalities in Figures 25 and 26, the architecture in the present modality uses a single cable 1430 that is in tension with a spring 1490. The architecture additionally comprises one or more coils or pulley members 1470a, 1470b, 1470c that are engaged by the first cable 1430a. With handle 1430 in tension with spring 1490, knife 1482 can be attached to a section of handle 1430, thus creating an inward and outward movement of knife 1482 in relation to the vessel seal
[00150] [00150] Another device that can serve as an insertion instrument is a camera. The camera can be used for endoscopic surgery. The architecture may vary depending on whether the camera is a rigid camera or an articulated camera, for which the articulation actuation will have to be provided.
[00151] [00151] Figure 28 illustrates a schematic diagram showing an architecture for the production of a rigid camera in an insertion instrument. The camera 1500 comprises a distal image payload connected by a drive shaft 1502 to a camera handle 1530 that has interface buttons and a cable extending from it. The cable 1530 is received in a channel or groove formed on the outside of the drive shaft 1502, while the insert handle 1520 is positioned around the drive shaft 1502. This effect adds a second handle to the endoscope that allows for the capacity insertion. Cable 1530 extends through one or more coils 1570a, 1570b, 1570c. In the present embodiment, the coil 1570b can be a capstan. In some embodiments, the capstan may comprise a zero pitch capstan (as shown in Figure 17), while in other embodiments, the capstan may allow a cable path (as shown in Figures 18 and 19) through the capstan mechanism. , the camera is capable of moving along a geometric axis of insertion. In some embodiments, the core payload maintains the same sealing architecture as a rigid scope, so it can be expected to be sterilized using the same methods. For a rigid scope, this means that it can be autoclaved. The additional 1520 insert handle can also look similar to an instrument from a sterilization perspective and can also be autoclaved.
[00152] [00152] Figure 28 shows an architecture for the production of a rigid camera of an insertion instrument, the articulated cameras presenting additional complexity, since mechanisms would have to be added to the camera to provide articulation. For the articulated camera, one or more cables (for example, actuation or pulse cables) can be provided to accommodate the articulation movement. The camera can also be housed in a sealed area, so that if one has to follow the one or more cables to the outside, a sealed compartment for the camera can also be created that excludes the one or more cables. With this architecture, it may be possible for some particles and debris to enter small spaces within the sealed area. In some embodiments, in order to avoid contamination, a solution may be to add two articulation motors within the sealed camera area instead of relying on the IDM for the articulation movement. This greatly simplifies the cleaning and sealing of the camera components by removing the cables from the outside of the tube and placing them in the sealed inner part. Another benefit of adding the two articulation motors within the sealed camera is that the camera articulation can be controlled as soon as the camera is connected to a viewing box. This enables features such as keeping the camera straight during installation or removal and being able to pivot the camera from the camera handle to look around during use without the robot. This then makes the articulation camera look very similar to the rigid camera from a sterilization perspective, so that it is possible to go to the autoclave.
[00153] [00153] If a camera cannot be autoclaved, then the sealed camera and the insertion section may need to be separated for cleaning and insertion. This is because it is desirable to autoclave an insertion handle to achieve reliable sterilization. Figure 29 shows a first insertion architecture that allows a camera to be separated from an insertion handle, while Figures 30 and 31 show a second insertion architecture that allows a camera to be separated from an insertion handle, thus allowing for better sterilization.
[00154] [00154] Figure 29 shows a first insertion architecture that allows a camera to be separated from an insertion grip. The architecture has a 1620 autoclavable insert handle that locks into an IDM and can be detached from the chamber core
[00155] [00155] Figures 30 and 31 show a second architecture that allows a camera to be separated from an insertion grip. In the present embodiment, an overhead 1780 is provided that has an insertion cable 1730 attached to it and through which a 1700 camera can be loaded for a procedure. Figure 30 shows the 1700 camera detached and separated from the overhead 1780, while Figure 31 shows the 1700 camera loaded in the overhead
[00156] [00156] Figure 32 illustrates a diagram showing an alternative architecture for the translation of the drive shaft, according to another modality. In the present embodiment, the instrument comprises a drive shaft 1902 that has a proximal portion 1904 and a distal portion 1906. The insertion of the drive shaft 1902 can be driven by a rack gear 1912 and pinion 1914, with the pinion rotating 1914 results in the translation of the rack gear 1912 and the drive shaft 1902 which is coupled to the rack gear 1912. In some embodiments, the rack gear 1912 is positioned on the drive shaft 1902 of the instrument, while the pinion 1914 is positioned inside the instrument handle compartment. A motor drive can be used to move the 1902 drive shaft in relation to the handle. In some embodiments, a toothed gear may be used, in addition to a cycloid pin rack profile. In some embodiments, rack gear 1912 and pinion 1914 can be used alone to cause insertion or translation of the drive shaft
[00157] [00157] When performing surgical procedures, such as laparoscopic procedures, surgeons use insufflation. This means that the cannulas inserted into a patient are sealed against the driving axes of the surgical tool to maintain positive pressure within the patient's body. The seals can be coupled to the drive shafts of the surgical tools to prevent air from leaking from the patient's body. These seals are often designed to accommodate tools that have round cross sections. It can be difficult to apply the same seals to tools that have non-circular shapes and concave characteristics on the external surfaces of the drive shaft, since the passages formed by these surfaces can allow the release of air pressure in the tool seal. For example, instruments that have instrument-based insertion architectures can have cross sections (as shown in Figure 24A) with grooves 1208 where air can leak from a patient.
[00158] [00158] To face this challenge, a system that includes several seals can be provided to prevent air leakage from a patient. In particular, a new seal can be provided that works with a cannula seal that has a circular outer shape, which is usual with instruments that have circular cross sections. The new seal can pass through the circular cannula seal, thus providing a consistent rotary seal. The new seal could advantageously discretize any rotating and linear movement to create two boundaries at which a seal is created. Discretization is achieved by using an intermediate seal part of the tool.
[00159] [00159] Figure 33 shows a side cross-sectional view of an instrument that has multiple seals to prevent air leakage from a patient. Figure 34 shows a front cross-sectional view of the instrument that has multiple seals. Instrument 1200 is inserted into a cannula 50, and is similar to the instrument shown in Figure 11 having an instrument-based insertion architecture. The instrument may include a drive shaft 1202 translatable with respect to a handle 1220. The drive shaft 1202 may have one or more grooves or grooves 1208 that extend along an outer surface thereof, thus creating passages that could allow the air leaks from a patient.
[00160] [00160] To avoid air leaks, a system of multiple seals is advantageously coupled to the instrument. In some embodiments, the multiple seal system comprises a first seal 1810 and a second seal 1820 that can work together to reduce the risk of air leakage. In some embodiments, the first seal 1810 and the second seal 1820 are coaxial. As shown in Figure 32, the second seal 1820 can be received inside the first seal
[00161] [00161] The multiple seals advantageously discretize the rotary and linear movements to create two limits at which a seal is created. The second seal 1820, with its internal projections 1822, can slide down the outer grooves of the drive shaft 1202 of the instrument, thus creating a linear sliding seal for the movement of the drive shaft of the instrument. The person skilled in the art will understand that, although the second seal 1820 is shown with a plurality of internal protrusions that are rounded and substantially symmetrically spaced around an internal perimeter, the inner portion of the second seal 1820 can also assume other shapes, as long as the molding process substantially combines the inner part of the second seal 1820 with the outer surface of the drive shaft of the instrument 1202. When received in the grooves 1208 of the instrument 1200, each of the internal protrusions 1822 of the second seal 1820 creates a rotating seal point 1824 These rotating sealing points allow the instrument 1200 and the second seal 1820 to rotate and rotate together after the rotation of the drive shaft of the instrument 1202. Although the present modality shows multiple seals that have double seals, in other modalities, three, four or more seals can work together to reduce the risk of air leakage from the patient during surgery. X. Alternative considerations
[00162] [00162] Upon reading this description, those skilled in the art will also consider additional alternative structural and functional designs through the principles presented in the present invention. Thus, although specific modalities and applications have been illustrated and described, it must be understood that the modalities revealed are not limited to the precise construction and components disclosed here. Various modifications, alterations and variations, which will be evident to those skilled in the art, can be made in the arrangement, operation and details of the method and apparatus presented in the present invention without deviating from the spirit and scope defined in the appended claims.
[00163] [00163] As used herein, any reference to "one (1) modality" or "a modality" means that a specific element, resource, structure or characteristic described in relation to the modality is included in at least one modality. The appearance of the phrase "in one modality" in several places in the specification does not necessarily refer to the same modality.
[00164] [00164] Some modalities can be described using the expression "coupled" and "connected" together with their derivatives. For example, some modalities can be described using the term "coupled" to indicate that two or more elements are in direct physical contact or in electrical contact. The term "coupled", however, can also mean that two or more elements are not in direct contact with each other, but still cooperate or interact with each other. The modalities are not limited in this context unless explicitly stated otherwise.
[00165] [00165] For use in the present invention, the terms "comprises", "which comprises", "includes", "which includes", "has", "has", or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a process, a method, an article or an apparatus comprising a list of elements is not necessarily limited to only those elements, but may include other elements not expressly listed or inherent in such a process, method, article or apparatus. Except where expressly stated otherwise, "or" refers to an "or" inclusive and not an "or" exclusive. For example, a condition A or B is satisfied by any of the following: A is true (or is present) and B is false (or is not present), A is false (or is not present) and B is true (or is present), and both A and B are true (or are present).
[00166] [00166] Furthermore, the use of "one" or "one" is intended to describe elements and components of the modalities of the present invention. This is done merely for convenience, and to give a general meaning to the invention. This description needs to be read to include one or at least one, and the singular also includes the plural, except where the intention to the contrary is evident.

权利要求:
Claims (27)
[1]
1. Medical device characterized by comprising: a driving axis comprising a proximal portion and a distal portion; an end actuator connected to the distal portion of the drive shaft; and a handle coupled to the drive shaft, the handle including a first mechanical inlet and a second mechanical inlet, the first mechanical inlet being configured to cause the actuator of the end actuator, and the second mechanical inlet is configured to cause the translation of the drive shaft in relation to the handle.
[2]
2. Medical device, according to claim 1, characterized in that the actuation of the end actuator is carried out by means of a first actuation mechanism that is decoupled from a second actuation mechanism that causes the translation of the actuation axis in relation to the grip.
[3]
Medical device according to claim 2, characterized in that the first actuation mechanism includes a first cable that extends through a first set of pulleys, the manipulation of at least one pulley of the first set of pulleys by means of of the first mechanical entry causes a change in the length of the first cable inside the handle, thus causing the end actuator to act.
[4]
Medical device according to claim 3, characterized in that the second actuation mechanism includes a second cable that engages a coil, the manipulation of the coil by means of the second mechanical input causing the drive shaft to translate in relation to the grip.
[5]
5. Medical device according to claim 4,
characterized by the change in the length of the first cable inside the handle so that the actuation of the end actuator is not affected by the second actuation mechanism that moves the drive shaft in relation to the handle.
[6]
Medical device according to claim 3, characterized in that the first cable of the first actuation mechanism extends from the proximal portion of the drive shaft, through the first set of pulleys and up to the distal portion of the drive shaft.
[7]
Medical device according to claim 6, characterized in that the manipulation of at least one pulley of the first set of pulleys to cause a change in the length of the first cable within the handle comprises the linear or rotary movement of the at least one pulley.
[8]
Medical device according to claim 4, characterized in that the coil comprises a capstan.
[9]
Medical device according to claim 8, characterized in that the capstan comprises a zero pitch capstan.
[10]
Medical device according to claim 8, characterized in that the rotation of the second mechanical inlet causes the capstan to rotate.
[11]
Medical device according to claim 2, characterized in that the first actuation mechanism includes one or more cables that extend through a first set of pulleys, and the second actuation mechanism includes one or more cables and a coil of insertion, with at least one of the one or more cables of the first actuation mechanism ending in the insertion coil.
[12]
Medical device according to claim 11, characterized in that the one or more cables of the first actuation mechanism comprise end actuator cables and one or more cables of the second actuation mechanism comprise insertion cables.
[13]
13. Medical device according to claim 11, characterized in that the rotation of the second mechanical inlet causes the insertion coil to rotate, thus causing the drive shaft to move in relation to the handle.
[14]
Medical device according to claim 12, characterized in that the one or more cables of the second actuation mechanism are wound by the insertion coil during the translation of the drive shaft in relation to the handle, and the one or more cables of the first actuation mechanism are unwound by the insertion coil during translation of the drive shaft in relation to the handle, with a length of one or more cables that are wound by the insertion coil being substantially balanced by one or more cables that are unwound .
[15]
15. Medical system, characterized by comprising: a base; a tool holder coupled to the base, the tool holder including a clamping interface; and an instrument, the instrument comprising: a drive shaft comprising a proximal portion and a distal portion, an end actuator extending from the distal portion of the drive shaft, and a handle coupled to the drive shaft, the handle includes a reciprocal interface fixed releasably to the fixing interface, a first mechanical input and a second mechanical input, the first mechanical input being configured to cause the actuator of the end actuator and the second mechanical input is configured to cause the drive shaft to translate in relation to the handle.
[16]
Medical system according to claim 15, characterized in that it additionally comprises a robotic arm between the base and the tool holder.
[17]
17. Medical system, according to claim 16, characterized in that the actuation of the end actuator is carried out by means of a first actuation mechanism that is decoupled from a second actuation mechanism that causes the translation of the drive shaft in relation to the grip.
[18]
18. Medical system according to claim 17, characterized in that the first actuation mechanism includes a first cable that extends through a first set of pulleys, the manipulation of at least one pulley of the first set of pulleys by means of of the first mechanical entry causes a change in the length of the first cable inside the handle, thus causing the actuator of the end actuator, and the translation of the drive shaft in relation to the handle is carried out through the second actuation mechanism that includes a second cable that engages a coil, and the manipulation of the coil through the second mechanical input causes the drive shaft to translate in relation to the handle.
[19]
19. Medical system, according to claim 18, characterized in that the change in the length of the first cable inside the grip to cause the actuation of the end actuator is not affected by the second actuation mechanism that moves the drive shaft in relation to the grip.
[20]
20. Medical system according to claim 19, characterized in that the manipulation of at least one pulley of the first set of pulleys to cause a change in the length of the first cable within the handle comprises the linear or rotary movement of the at least one pulley.
[21]
21. Surgical method characterized by comprising: providing an instrument capable of being applied through a patient's natural incision or orifice to perform a procedure at a surgical site, the instrument comprising: a drive shaft that includes a proximal portion and a distal portion. a handle coupled to the drive shaft; and an end actuator that extends from the distal portion of the drive shaft, the drive shaft being able to move in relation to the handle.
[22]
22. Surgical method, according to claim 21, characterized in that the instrument includes a first actuation mechanism to actuate the end actuator and a second actuation mechanism to translate the actuation axis in relation to the handle, the first mechanism being actuation comprises a first set of pulleys and a first cable and the second actuation mechanism comprises a coil and a second cable.
[23]
23. Surgical method according to claim 22, characterized in that it additionally comprises manipulating the end actuator by means of the first actuation mechanism.
[24]
24. Surgical method, according to claim 23, characterized in that it additionally comprises translating the drive shaft by means of the second actuation mechanism, the first actuation mechanism being decoupled from the second actuation mechanism.
[25]
25. Surgical method characterized by understanding:
apply an instrument through a patient's natural incision or orifice to perform a procedure at a surgical site, the instrument comprising: a drive shaft that includes a proximal portion and a distal portion. a handle coupled to the drive shaft; and an end actuator that extends from the distal portion of the drive shaft, the drive shaft being able to move in relation to the handle.
[26]
26. Surgical method, according to claim 25, characterized in that the instrument includes a first actuation mechanism to actuate the end actuator and a second actuation mechanism to translate the actuation axis in relation to the handle, the first mechanism being actuation comprises a first set of pulleys and a first cable and the second actuation mechanism comprises a coil and a second cable.
[27]
27. Surgical method according to claim 26, characterized in that it additionally comprises manipulating the end actuator through the first actuation mechanism.

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同族专利:

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公开号 | 公开日

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WO2019118368A1|2019-06-20|

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US20200022767A1|2020-01-23|

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US10470830B2|2019-11-12|

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CN111770736A|2020-10-13|

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JP2021505345A|2021-02-18|

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US20190175287A1|2019-06-13|

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KR20200118795A|2020-10-16|

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EP3723655A1|2020-10-21|

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EP3723655A4|2021-09-08|

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US20210052338A1|2021-02-25|

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US10779898B2|2020-09-22|

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法律状态:
2021-12-14| B350| Update of information on the portal [chapter 15.35 patent gazette]|

优先权:

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申请号 | 申请日 | 专利标题

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US201762597385P| true| 2017-12-11|2017-12-11|

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US62/597,385|2017-12-11|

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PCT/US2018/064789|WO2019118368A1|2017-12-11|2018-12-10|Systems and methods for instrument based insertion architectures|

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