巴西专利BR112020008582A2 filter connection for a smoke evacuation device

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专利摘要:
A filter connection for a smoke evacuation device includes a filter cartridge and socket assembly. The filter cartridge assembly has a cross-sectional shape with only one line of symmetry corresponding to a cross-sectional shape of the socket so that the filter cartridge can be inserted into the socket in a single orientation. One or more key notches on the filter cartridge can also ensure that the filter is properly installed. A seal creates an airtight boundary between the filter cartridge and a socket recess so that the sealed path in communication with the smoke evacuation device is established before the filter cartridge is fully inserted into the socket. An electronic connection is made between the filter cartridge and the socket after the airtight limit is created.
公开号:BR112020008582A2
申请号:R112020008582-0
申请日:2018-11-27
公开日:2020-10-20
发明作者:Shawn K. Horner；Steven D. Andrews；David C. Yates
申请人:Megadyne Medical Products, Inc.；
IPC主号:

专利说明:

[0001] [0001] The present disclosure relates to smoke evacuation systems used in electrosurgical systems. More specifically, the present disclosure relates to an apparatus and methods of connecting filters in smoke evacuation systems.
[0002] [0002] As is known to those skilled in the art, surgical techniques - modern - typically - use radio frequency (RF) energy to cut tissue and coagulate the bleeding found in performing surgical procedures. Such electrosurgery is widely used and offers many advantages including the use of a single surgical instrument for both cutting, cutting and coagulation. The monopolar electrosurgical generator system has an active electrode, for example, in the form of an electrosurgical instrument having a handpiece and a conductive tip or electrode, which is applied by the surgeon to the patient at the surgical site to perform the surgery, and an electrode return to connect the patient back to the generator.
[0003] [0003] The electrode or tip of the electrosurgical instrument is small at the point of contact with the patient to produce an RF current with a high current density in order to produce a surgical effect of cutting or coagulating tissue by cauterization. The return electrode has the same RF current supplied to the electrode or the tip of the electrosurgical instrument, after it passes through the patient, which provides a path back to the electrosurgical generator.
[0004] [0004] Electrosurgical instruments transmit electrical energy to a patient's target tissue in order to cut the tissue and / or cauterize blood vessels within the target tissue and / or close to it. This cut and cauterization results in the release of smoke into the air, which can be unpleasant and can obstruct a doctor's view. Many electrosurgical systems can therefore employ a smoke evacuation system that captures the resulting smoke and directs it through a filter and an exhaust port, away from doctors and / or patients.
[0005] [0005] Smoke evacuation systems typically comprise a pump and a filter. The pump creates a suction that pulls the smoke through a vacuum tube into the filter. A vacuum tube can end at the handpiece that includes the electrode tip so that smoke is sucked into the handpiece. Other electrosurgical systems may include separating handpieces that are used to suck smoke into the system. The smoke travels to the filter through a vacuum tube and offensive odors are filtered as the smoke moves through the filter. Filtered air can then escape from the smoke evacuation system as an exhaust.
[0006] [0006] The claimed subject of the present invention is not limited to modalities that solve any disadvantages or that operate only in environments such as those described above. Instead, these backgrounds are presented only to illustrate an area of exemplary technology where some of the modalities described here can be practiced. BRIEF SUMMARY
[0007] [0007] The present disclosure relates to smoke evacuation systems. More specifically, the present disclosure relates to a filter connection for a smoke evacuation device. It can be difficult to determine when filters need to be replaced in smoke evacuation systems, and current filter connections can lead to defective installations. The filter connection of the present disclosure can allow for easy installation of filters, as well as other features to electronically detect and communicate when filters need to be replaced or when an incorrect filter has been installed.
[0008] [0008] In one embodiment, a filter connection for a smoke evacuation system includes a filter cartridge and a socket. The filter cartridge comprises a first and a second end, a body extending between the first and second ends, a connection spout, a seal arranged around the connection spout, and a first electronic connector. The socket comprises a first recess configured to receive the cartridge body, a second recess configured to receive the connection nozzle, and a second electronic connector. The longitudinal distance between the seal and the first electronic connector is greater than the longitudinal distance between the second socket recess and the second electronic connector.
[0009] [0009] In one embodiment, a filter cartridge for a smoke evacuation system includes a first end having an inlet port, a second end, an electronic connector, and a connection nozzle disposed at the second end. The cross-sectional shape of the second end of the filter cartridge has only one line of symmetry. The electronic connector is arranged on the second end of the filter cartridge.
[0010] [0010] In one embodiment, a method for connecting a filter to a smoke evacuation system includes the following steps: providing a filter cartridge; provide a socket in the smoke evacuation system; insert the filter cartridge a first distance into the socket so that the filter cartridge creates an airtight boundary between the filter cartridge and the socket; and inserting the filter cartridge a second distance into the socket so that an electronic connection is made between the filter cartridge and the socket. The second distance is different from the first distance.
[0011] [0011] This summary is provided to introduce a selection of concepts in a simplified way which are further described below in the Detailed Description. This summary is not intended to identify key characteristics or essential characteristics of the claimed subject, nor is it intended to be used as an aid in determining the scope of the claimed subject.
[0012] [0012] Additional features and advantages of the revealed modalities will be presented in the description below and, in part, will become evident from the description, or can be learned through the practice of revelation. These and other characteristics will become more fully evident from the following description and appended claims, or can be learned by practicing the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] [0013] In order to - further clarify the above and other advantages and features of the present invention, a more particular description of the invention will be produced by reference to the specific embodiments thereof which are illustrated in the attached drawings. It is understood that these drawings represent only the illustrated modalities of the invention and are therefore not to be considered as limiting its scope. The invention will be described and explained with additional specificity and details through the use of the attached drawings, in which:
[0014] [0014] Figure 1 illustrates an exemplary electrosurgical system;
[0015] [0015] Figure 2 illustrates a schematic diagram of a modality of a smoke evacuation system;
[0016] [0016] Figure 3A illustrates a perspective view of an embodiment of a smoke evacuation system;
[0017] [0017] Figure 3B illustrates a cross-sectional view of the system illustrated in Figure 3A, in which a modality of a socket is shown;
[0018] [0018] Figure 4A illustrates a perspective view of an embodiment of a filter cartridge assembly;
[0019] [0019] Figure 4B illustrates a perspective view of an embodiment of a filter cartridge assembly;
[0020] [0020] Figure 5A illustrates a schematic view of a cross-sectional shape of one end of a filter cartridge assembly and a socket opening;
[0021] [0021] Figure 5B illustrates a schematic view of a cross-sectional shape of one end of a filter cartridge assembly and a socket opening;
[0022] [0022] Figure 5C illustrates a perspective view of an embodiment of a filter cartridge;
[0023] [0023] Figure 5D illustrates a perspective view of an embodiment of a smoke evacuation system socket;
[0024] [0024] Figure 6A illustrates a cross-sectional view of a filter cartridge assembly partially inserted in a socket;
[0025] [0025] Figure 6B illustrates a cross-sectional view of a filter cartridge assembly fully inserted in a socket; and
[0026] [0026] Figure 7 illustrates a flow chart that describes a method for connecting a cartridge to a smoke evacuation system. DETAILED DESCRIPTION
[0027] [0027] The present disclosure relates to smoke evacuation systems. More specifically, the present disclosure relates to a filter connection for a smoke evacuation device. It can be difficult to determine when filters need to be replaced in smoke evacuation systems, and current filter connections can lead to defective installations. The filter connection of the present disclosure can allow for easy installation of filters, as well as other features to electronically detect and communicate when filters need to be replaced or when an incorrect filter has been installed.
[0028] [0028] Figure 1 illustrates an electrosurgical system 100 example. The illustrated embodiment includes a signal generator 102, an electrosurgical instrument 104, a return electrode 106, and a smoke evacuation system 120. Generator 102, in one embodiment, is an RF wave generator that produces RF electrical energy. . Connected to the electrosurgical instrument 104 is a utility conduit 108. In the illustrated embodiment, the utility conduit 108 includes a cable 110 that transmits electrical energy from the generator 102 to the electrosurgical instrument 104. The illustrated utility conduit 108 also includes a hose vacuum 112 that carries smoke and / or fluid captured / collected in the opposite direction of a surgical site.
[0029] [0029] In general, the electrosurgical instrument 104 includes a handpiece or pencil 114 and an electrode tip 116. The electrosurgical instrument 104 transmits electrical energy to a patient's target tissue in order to cut the tissue and / or cauterize vessels within the target tissue and / or close to it. Specifically, an electrical discharge is applied to the patient from the electrode tip 116 in order to cause heating of the patient's cell matter that is in direct contact with or in an adjacent position with the electrode tip 116. The heating of the tissue occurs at a suitably high temperature to enable the electrosurgical instrument 104 to be used to perform electrosurgery. Return electrode 106 is connected to generator 102 by means of a cable 118, and is applied to or placed in close proximity to the patient (depending on the type of return electrode) in order to complete the circuit and provide an electrical path return to the wave generator 102 for the energy that passes to the patient's body.
[0030] [0030] The heating of the patient's cellular matter by the tip of electrode 116, or cauterization of blood vessels to prevent bleeding, results in the release of smoke in the place where the cauterization occurs. The electrosurgical instrument 104 may comprise an opening 122 of the smoke evacuation duct near the tip of the electrode 116 so as to be able to capture the smoke that is released during a procedure. The vacuum suction can pull the smoke into the opening of the conduit 122, through the electrosurgical instrument 104, and into the vacuum hose 112 towards the smoke evacuation system 120.
[0031] [0031] Figure 2 illustrates one embodiment of a smoke evacuation system 300. The smoke evacuation system 300 may include a filter 306 and an airflow path 308. The airflow path 308 may comprise a pump 310 arranged in line with the air flow path 308 producing a pressure difference within the air flow path 308 by mechanical action. This pressure difference can cause the movement of a gas through the airflow path 308. The gas extracted through the airflow path 308 can be smoke 302, or the filtered air remaining after smoke has passed 302 through filter 306. A 312 motor drives pump 310.
[0032] [0032] The smoke evacuation system 300 may also include an exhaust mechanism 314 which may also be arranged in line with the airflow path 308. The exhaust mechanism 314 may be a mechanism that controls speed, direction , and / or other properties of the filtered gas 304 leaving the smoke evacuation system 300 at the exit port 324.
[0033] [0033] The airflow path 308 can be arranged between an inlet port 322 and an outlet port 324. Smoke 302 can flow into the filter 306 at inlet port 322, be pumped through the airflow path air 308 by the pump 310 so that the smoke 302 is extracted through the filter 306, through the exhaust mechanism 314, and out of the exit port 324 of the smoke evacuation system 300. The air that leaves the evacuation system smoke 300 at outlet port 324 may be exhaust 304. Exhaust 304 may consist of filtered air / gas that has passed through the smoke evacuation system 300 and exits through outlet port 324.
[0034] [0034] The airflow path 308 can comprise a first zone 316 and a second zone 318. The first zone 316 can be upstream of pump 306 and the second zone 318 can be downstream of pump 306. Pump 306 can pressurize the air in the air flow path 308 so that the air in the second zone 318 has a higher pressure than the air in the first zone 316.
[0035] [0035] The smoke evacuation system 300 can also include a compartment 320. Figure 2 illustrates a cross-sectional view of a smoke evacuation system 300 to show the various components within the compartment 320. The compartment 320 can completely or partially cover the smoke evacuation system 300. The airflow path 308 can be at least partially comprised of a pipe or other duct that substantially contains and / or insulates the air moving through the airflow path 308 of the air outside the 308 airflow path.
[0036] [0036] For example, the first zone 316 of the airflow path 308 may comprise a tube through which the airflow path 308 extends between the filter 306 and the pump 310. The second zone 318 of the flow path air flow 308 can also comprise a tube through which the air flow path 308 extends between the pump 310 and the exhaust mechanism 314. The air flow path 308 also extends through the filter 306, the pump 310 and of the exhaust mechanism 314 so that a continuous airflow path 308 extends from the inlet port 322 to the outlet port 324.
[0037] [0037] Figure 3A illustrates a perspective view of a smoke evacuation system 300. The smoke evacuation system 300 may include a socket 326 configured to receive a 306 filter. The filter 306 is shown in Figure 3 to illustrate the socket 326. Socket 326 can have a first recess 328 and a second recess 332. A transition surface 330 extends between the first recess 328 and the second recess 332. Socket 326 can be shaped to receive a filter 306 inside the socket so that the filter 306 fits perfectly inside the socket 326.
[0038] [0038] Figure 3B illustrates a cross-sectional view of the smoke evacuation system 300 of Figure 3A. Figure 3B illustrates a cross-sectional view of the plane 334 illustrated in Figure 3A that passes through socket 326. As shown in Figure 3B, the socket comprises a first end 336 which is opened to receive a filter 306 and a second end 338 in communication with the airflow path 308. A filter 306 can be inserted and removed from the first end 336 of socket 326.
[0039] [0039] Socket 326 may also include a transition surface 330 configured to receive a second end of a filter cartridge assembly, a second recess 332 configured to receive a connection nozzle, and an electronic connector 340. More details regarding the filter cartridge assembly, including the body, the second end, the connection nozzle, and electronic connector will be given later in this document.
[0040] [0040] Figures 4A to 4C illustrate several views of an embodiment of a filter cartridge assembly 342. Figure 4A illustrates a perspective view of the filter cartridge assembly 342. The filter cartridge assembly 342 can include a first end 344 and a second end 346. The second end 346 of the filter cartridge 342 can be at least partially conical. The cartridge body 348 can be arranged between the first end 344 and the second end 346 of the cartridge assembly 342. The filter assembly 342 can be configured to be inserted into socket 326 of the smoke evacuation system 300.
[0041] [0041] A plate 350 can be disposed at the first end 344 of the cartridge assembly 342 so that the cartridge assembly 342 may not be inserted too far into socket 326. When cartridge assembly 342 has been fully inserted into socket 326, the plate 350 contacts outer housing 320 and / or the second end 346 of cartridge assembly 342 is contiguous with the transition surface 330 of socket 326 so that cartridge assembly 342 may not be additionally inserted. The second end 346 and the body 348 of the cartridge assembly 342 may be able to fit into socket 326, but plate 350 may not. Cartridge assembly 342 can be inserted until plate 350 comes into contact with outer compartment 320 of smoke evacuation system 300. Plate 350 may include an inlet port 322 as the inlet port 322 discussed above with reference to Figure 2. The vacuum hose 112 shown in Figure 1 can connect to the inlet port 322 so that smoke can travel through the vacuum hose 112 and into the filter cartridge assembly 342 in the inlet port 322.
[0042] [0042] Smoke can enter the entrance door 322 and move through an internal path of the filter 306 disposed inside the body 348 of the filter path set 342. Toxic and potentially harmful and / or unpleasant particles can be trapped in the filter 306 as smoke moves through filter 306. The filtered gas remaining after filtration can leave filter cartridge assembly 342 through cartridge outlet 352 shown in Figure 4B. The filter cartridge assembly 342 can be inserted into socket 326 of the smoke evacuation system so that the cartridge outlet 300 352 communicates with the airflow path 308.
[0043] [0043] Figure 4B illustrates a perspective view of the second end 346 of the filter cartridge assembly 342. The second end 346 may include a connection nozzle 354 that surrounds the outlet of the cartridge 352 and a first electronic connector 356. In a mode, the first electronic connector can be a read-only erasable programmable memory connector (EPROM). The first 356 electronic programmable connector can be a male connector. Other modalities may include a first programmable electronic connector which is a female connector. The second end 346 of the cartridge assembly 342 may also include a seal 358 arranged around connection nozzle 354. Further details regarding connection nozzle 354, seal 358, and electronic programmable connector 356 will be given below in this document with reference to Figure 6A and Figure 6B.
[0044] [0044] Figure 5A illustrates the shape of the cross section of the second end of a 360 filter cartridge and the shape of the cross section of the first recess of a socket 361. The shape of the cross section of the second end of the filter cartridge 360 can be similar to the cross-sectional shape of the first recess of socket 361 and only slightly smaller, so that the filter cartridge assembly 360 can fit comfortably into socket 361 when inserted. The shape of the cross section of the second end of the cartridge assembly 360 may be slightly smaller than the shape of the cross section of the first recess of socket 361, so that filter cartridge 360 can be inserted into it.
[0045] [0045] Figure 5A illustrates the cross sections with drop shape 360, 361. A drop shape of the cross section 360, 361 can ensure that the filter cartridge 360 can only be inserted in a specific orientation, so that the cartridge 360 filter insert fits into socket 361. Other embodiments may include cross-sectional shapes that are different from the drop shape illustrated in Figure 5A. Other embodiments can include any other cross-sectional shapes as long as the cross-sectional shape limits the cartridge assembly 360 to be inserted into socket 361 in just one orientation.
[0046] [0046] For example, in a modality, the shape of the cross section 360, 361 can be a triangle that has only one line of symmetry. Other modalities may include other cross-sectional shapes that have only one line of symmetry. Limiting the 342 cartridge assembly to a single orientation can ensure that the 360 filter cartridge is inserted correctly in the socket
[0047] [0047] Figure 5B illustrates another cross sectional shape of a filter cartridge 362. The shape 362 shown in Figure 5B is similar to the shape 360, 361 shown in Figure 5A, except that the shape of the cross section 362 includes a notch 364. The cross-sectional shape of the socket has a corresponding key groove
[0048] [0048] Other embodiments may include more than one key notch 366 and groove 368 in various locations around the shape of cross section 362 so that multiple key notches 366 and grooves 368 in cartridge assembly 342 and socket 326 need to be aligned before cartridge assembly 342 is inserted into socket 326. Some embodiments of a cartridge assembly 342 may also include a body 348 that also has a cross-sectional shape shown in Figures 5A and 5B and described here, so that body shape 348 corresponds to socket 326 when it is inserted.
[0049] [0049] In some embodiments, the key groove 366 may extend over the entire length of the body 348 of the cartridge assembly 342 and the key groove 368 may not extend along the groove along the entire length of the first recess 328 of socket 326. In other embodiments, the key notch 366 can extend along the entire length of the body 348 of the cartridge assembly 342 and the key groove 368 can extend along the groove of the entire length of the first recess 328 of socket 326. In any of the embodiments described here, key notch 366 and groove 368 can be configured so that cartridge assembly 342 may not be rotated / twisted into socket 326 after cartridge assembly 342 has inserted into socket 326.
[0050] [0050] One of the reasons why it is important to ensure that the 342 cartridge assembly is inserted in the correct orientation is for the first and second electronic connectors 356, 340 to come into contact with each other. In one embodiment, the second electronic connector 340 can be an EPROM connector. The second electronic connector 340 can be arranged inside socket 326 as shown in Figure 3B. The first electronic memory 356 can be arranged at the second end 346 of the cartridge assembly 342 as shown in Figure 4B. The first and second electronic connectors 356, 340 can thus be arranged so that when the cartridge assembly 346 and the first recess 328 of socket 326 are properly aligned, the first and second electronic connectors 356, 340 meet when the assembly cartridge 342 is fully inserted into socket 326.
[0051] [0051] In the embodiment illustrated in Figure 4B, the first electronic connector 356 is disposed on an upper edge of the second end 346 of the cartridge assembly 342. This location corresponds to the location of the second electronic connector 340 disposed within socket 326 as shown in Figure 6A. Other embodiments may include a first and a second electronic connector 356, 340 which are positioned in various locations on the second end 346 of the cartridge assembly 342 in socket 326. Any location is suitable as long as the first and second electronic connectors 356, 340 make contact when cartridge assembly 342 is inserted into the socket
[0052] [0052] After the first contact with the second electronic connector 356, 340, the electronic memory can transmit information to a user or other components of the smoke evacuation system in relation to the 342 filter. Such information may include, but is not limited to a, the number of times the filter has been used, whether it is the correct filter, whether the filter is still functioning properly, how much filter life / capacity has been left in the filter, and so on. This connection allows the safe, reliable and efficient use of filters that need to be replaced periodically. Electronic memory can also be used to signal that a filter has been inserted correctly and to activate the smoke evacuation system 300.
[0053] [0053] Figures 6A and 6B illustrate a modality of cartridge assembly 342 inserted in socket 326. Figure 6A illustrates cartridge assembly 342 partially inserted in socket 326 and Figure 6B illustrates a cartridge assembly 342 fully inserted in socket 326 Referring to Figure 6A, the cartridge assembly 342 is partially inserted into socket 326 so that connection nozzle 354 is received by the second recess 332 of the socket
[0054] [0054] The seal 358 contacts the inner walls of the second recess 332 to create a seal between the connection nozzle 354 and the second recess 332 before the cartridge assembly 342 has been fully inserted into socket 326. In this partially inserted configuration , the plate 350 does not come into contact with the outer compartment 320 of the smoke evacuation system 300 and the first and second electronic connectors 356, 340 do not come into contact with each other.
[0055] [0055] Figure 6B illustrates a cartridge assembly 342 fully inserted into socket 326. When cartridge assembly 342 is fully inserted into socket 326, seal 358 maintains a seal around connection nozzle 354 within the second recess 332 Additionally, when cartridge assembly 342 has been fully inserted into socket 326, plate 350 comes into contact with outer housing 320 and / or the second end 346 of cartridge assembly 342 is in contiguity with the transition surface 330 of socket 326 so that cartridge assembly 342 may not be additionally inserted. In addition, when cartridge assembly 342 is fully inserted, the first and second electronic connectors 356, 340 come into contact with each other. The electronic connection can then function as described above.
[0056] [0056] As discussed above, the electronic connection can activate or allow the activation of the smoke evacuation system 300 so that a suction begins to pull the smoke into the filter 306 through the vacuum tube 112. In the modalities illustrated here, the seal creates an airtight boundary between the connection nozzle 354 and the second recess 332 of socket 326 before the first and second electronic connectors 356, 340 meet. In other words, the longitudinal distance D1 between seal 358 and the first electronic connector 356 can be greater than the longitudinal distance D2 between the second recess 332 of socket 326 and the second electronic connector 340. The longitudinal distances D1 and D2 are marked on Figure 6A.
[0057] [0057] Alternatively, the first electronic connector 356 can be disposed at the first end 344 of the filter cartridge 342 and the second electronic connector 340 can be disposed at or near the plate 350. In this configuration, the longitudinal distance between the seal 458 and the first electronic connector 356 can be even greater than the longitudinal distance between the second recess 332 of socket 326 and the second electronic connector 340 so that a seal is created for the smoke to pass through and into the airflow path 308 before the first and second electronic connectors 356, 340 meet. It will be understood that the first and second electronic connectors 356, 340 can be arranged in various locations on the filter cartridge 342 in socket 326 as long as the relationship between the longitudinal distances mentioned above remains the same.
[0058] [0058] These configurations ensure that the smoke evacuation system 300 will not be activated until the seal has been created so that the filtered gas cannot escape from the 352 cartridge outlet until a closed path in communication with the flow path of the air 308 has been established. These configurations can prevent the leakage of filtered gas leaving cartridge assembly 342 at cartridge outlet 352. These configurations can also ensure that the smoke evacuation system 300 does not begin to pull smoke through filter 306 until the filter cartridge 342 is inserted completely and properly into socket 326.
[0059] [0059] Figure 7 illustrates a method for connecting a filter cartridge to a 370 smoke evacuation system. In a first step 372, a filter cartridge is provided. The filter cartridge may include a body disposed between the first and second ends, a connection nozzle disposed at the second end, a seal disposed around the connection nozzle, a key notch, a cross-sectional shape, and a first connector electronic.
[0060] [0060] A second step 374 may include aligning the shape of the filter cartridge cross section with a shape of the socket cross section. The socket can comprise a first recess configured to receive the filter cartridge body, a second recess configured to receive the connection nozzle, a transition surface that connects the first and second recesses, and a second electronic connector.
[0061] [0061] A third step 376 may include inserting the filter cartridge partially into the socket until the seal creates an airtight boundary between the connection nipple of the filter cartridge and the second recess of the socket. A fourth step 378 may include inserting the filter cartridge further into the socket until the second end of the filter cartridge makes contact with the transition surface of the socket and until the first and second electronic connectors come into contact with each other.
[0062] [0062] The method of inserting the filter cartridge described in the present invention creates an airtight boundary between the cartridge connection nozzle and the second socket recess before the electronic connection is made. In this way, the electronic memory, which can be configured to activate the smoke evacuation system, will not be connected until a sealed path leading from the connection nozzle to the air flow path of the smoke evacuation system has been established. . This method can therefore prevent the filtered gas from leaking from the filter cartridge before it is completely installed inside the smoke evacuation system socket.
[0063] [0063] The present invention can be incorporated in other specific forms without departing from its essential character or characteristics. The described modalities should be considered in all aspects only as illustrative and not restrictive.
Therefore, the scope of the invention is indicated by the appended claims rather than by the description above.
All changes that arise from the meaning and the equivalence range of the claims must be adopted in their scope.

权利要求:
Claims (22)
[1]
1. Filter connection for a smoke evacuation system, characterized by comprising: a filter cartridge that comprises: a body; a connection spout disposed at one end of the body; a seal arranged around the connection nozzle; and a first electronic connector; a compartment that has a socket, which socket comprises: a first recess configured to receive the cartridge body; a second recess configured to receive the connection nozzle; and a second electronic connector; and the first longitudinal distance between the seal and the first electronic connector is greater than the second longitudinal distance between the second recess and the second electronic connector so that a sealed airflow path extends from the connection nozzle to the second connection recess is made before the first and second electronic connectors meet when the filter cartridge is inserted into the socket.
[2]
2. Filter connection according to claim 1, characterized in that the seal is an O-ring that creates an airtight limit between an external surface of the connection nozzle and an internal surface of the second recess.
[3]
Filter connection according to claim 2, characterized in that the seal creates the hermetic limit when the filter cartridge is partially inserted in the socket.
[4]
4. Filter connection according to claim 1, characterized in that the socket also comprises a transition surface that connects the first and second recesses, the first electronic connector being disposed on a second end of the filter cartridge and the second electronic connection is arranged on the transition surface of the socket.
[5]
5. Filter connection according to claim 4, characterized in that the first electronic connector and the second electronic connector come into contact with each other when the filter cartridge is completely inserted into the socket.
[6]
6. Filter connection, according to claim 1, characterized in that the socket also comprises an opening in the compartment, the first electronic connector being disposed on a first end of the filter cartridge and the second electronic connector being disposed on the opening the socket so that the first and second electronic connectors meet when the filter cartridge is fully inserted into the socket.
[7]
Filter connection according to claim 1, characterized in that the second end of the filter cartridge comprises a cross-sectional shape that has only one line of symmetry.
[8]
Filter connection according to claim 7, characterized in that the first recess comprises a cross-sectional shape that has only one line of symmetry.
[9]
Filter connection according to claim 1, characterized in that the second end of the filter cartridge comprises a key notch.
[10]
Filter connection according to claim 9, characterized in that the first recess comprises a key groove configured to correspond to the key notch.
[11]
Filter connection according to claim 1, characterized in that the second end of the filter cartridge comprises a surface at least partially tapered.
[12]
Filter connection according to claim 11, characterized in that the socket comprises a partially tapered transition surface between the first recess and the second recess, the transition surface being configured to fit the surface at least partially cone of the filter cartridge.
[13]
Filter connection according to claim 1, characterized in that the connection nozzle further comprises a cylindrical outer surface and an internal route through which a filtered gas can pass.
[14]
14. Filter connection according to claim 13, characterized in that the second recess of the socket communicates with an air flow path of the smoke evacuation system, with the filtered gas passing through the internal passage and inwards the airflow path of the smoke evacuation system when the filter cartridge is fully inserted into the socket.
[15]
15. Filter cartridge for a smoke evacuation system, characterized by comprising: a first end that has an entrance door; a second end that has a cross-sectional shape with only one line of symmetry; an electronic connector disposed at the first or second end; and a connection spout disposed on the second end.
[16]
16. Filter cartridge according to claim 15, characterized in that it further comprises a key notch.
[17]
17. Filter cartridge according to claim 15, characterized in that it also comprises a seal arranged around the connection nozzle.
[18]
18. Filter cartridge according to claim 15, characterized in that it further comprises a body extending between the first and second ends.
[19]
19. Filter cartridge according to claim 18, characterized in that a cross-sectional shape of the body has only one line of symmetry, the cross-sectional shape of the body being substantially similar to the cross-sectional shape of the second end.
[20]
20. Method for connecting a filter to a smoke evacuation system, the method characterized by comprising: providing a filter cartridge; provide a socket in the smoke evacuation system compartment; insert the filter cartridge at a first distance into the socket so that the filter cartridge creates an airtight boundary between the filter cartridge and the socket; and inserting the filter cartridge a second distance into the socket so that an electronic connection is made between the filter cartridge and the socket; the second distance being greater than the first distance.
[21]
21. Method according to claim 20, further comprising: before inserting the filter cartridge into the socket, align the filter cartridge with the socket so that the shapes of the cross section of the filter cartridge and the socket coincide , and the alignment allows the filter cartridge to be inserted into the socket.
[22]
22. The method of claim 20, further comprising:
before inserting the filter cartridge into the socket, align the filter cartridge with the socket so that the key notch on the filter cartridge matches a key groove in the socket, the alignment allowing the filter cartridge to be inserted in the socket.
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CN207928357U|2018-10-02|A kind of thoracoscopic operation stamp card

KR101510587B1|2015-04-08|Cannula for Inter Ventricular Insertion

CN108742794A|2018-11-06|Sting device

CN109259851A|2019-01-25|Smoke exhaust mechanism

同族专利:

公开号 | 公开日

EP3717056A1|2020-10-07|

JP2021504057A|2021-02-15|

US11185363B2|2021-11-30|

US10631916B2|2020-04-28|

WO2019106541A1|2019-06-06|

CN111867668A|2020-10-30|

US20190159827A1|2019-05-30|

US20200214760A1|2020-07-09|

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法律状态:
2021-11-23| B350| Update of information on the portal [chapter 15.35 patent gazette]|

优先权:

申请号 | 申请日 | 专利标题

US15/826,325|US10631916B2|2017-11-29|2017-11-29|Filter connection for a smoke evacuation device|

US15/826,325|2017-11-29|

PCT/IB2018/059370|WO2019106541A1|2017-11-29|2018-11-27|Filter connection for a smoke evacuation device|

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