• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An automatic cardiac massager (1) is described for use in the catheterization room. The cardiac masseur (1, 110) includes a support platform (2) of a patient's back to be subjected to cardiac massage and at least two turrets (4, 40) that branch off laterally from said support platform (2). The two side turrets (4, 40) each contain an actuator for moving a transverse bridge (5) with a pad (6) for the patient's chest compression, perpendicular to the support bed (2). At least the transverse bridge (5) and the support platform (2) are made of a radiolucent material.
    公开号:CH710822A2
    申请号:CH00302/15
    申请日:2015-03-05
    公开日:2016-09-15
    发明作者:Nicolis Daniele；Sergio Laerte Stefanini Igor；Christian Tavilla Agatino；Matteo Fiori Saul；Stefano Montù Gianluca；Angelo Giuseppe Rezzonico Fabio；Luigi Davide Moccetti Dante；Cristoforo Pietro Moccetti Tiziano；Christoph Sürder Daniel
    申请人:Fond Cardiocentro Ticino (Fcct)；
    IPC主号:
    专利说明:

    [0001] The present invention relates to an automatic cardiac massager for use in the catheterization room.
    [0002] Cardiac massage is typically an emergency maneuver to support blood circulation in patients suffering from cardiac arrest and to ensure sufficient cerebral blood supply for survival.
    [0003] There are known automatic cardiac massagers designed to perform uninterrupted compressions with constant frequency and depth in order to facilitate the return to spontaneous circulation, avoiding operator fatigue which can lead to inadequate frequency or depth of the massage.
    [0004] For example, a type of automatic cardiac massager 100 is known with a compression system with side straps (fig. 1). In this device, a disposable chest strap 101 is fixed to the side straps 102 of a supporting platform 103 of the patient back, the chest strap 101 is then automatically adapted to the patient's chest and a massage cycle can be initiated. The band system wraps the patient and exerts pressure in such a way that only the lateral parts of the chest are worked, thus avoiding the risk of breaking the sternum.
    [0005] Other types of automatic cardiac massager allow for a more punctual action on the cardiac zone, resulting more effective in terms of stimulating effect of the massage. For example, cardiac massagers 200, 300 are known comprising a functional body 201, 301 which is to be positioned in contact with the patient's chest by means of straps 202 (Fig. 2) or by means of a structure comprising two supporting arms 302 which branch off laterally from a support plate 303 (fig. 3). Once started, operating on a series of function keys, each of these devices develops chest compressions according to the set and / or predefined parameters. The compression takes place on the sternum by means of the action of a piston, with the functional body 201, 301 in a position corresponding to the axis passing through the heart.
    [0006] These known devices are used to administer automatic chest compressions in different areas, from initial rescue on the spot, in an ambulance or in any department of the hospital. Particularly, they are widely used within the catheterization room in which, while cardiac massage is being exercised, it is necessary to be able to observe the area in which one is working through an X-ray in order to operate with the necessary precision. For example, in the case of cardiac arrest caused by refractory ventricular fibrillation or in the presence of a rhythm that is not treatable with a shock, automatic cardiac massagers allow the continuation of the operation by administering constant chest compressions that facilitate blood circulation and supply of oxygen to vital organs. Thus, cardiac massagers, in addition to optimally supporting blood circulation, contribute to reducing the operator's stress level, facilitating more informed decisions and keeping personnel at a safe distance from X-rays.
    [0007] However, the use of known cardiac masseurs within the catheterization room presents some problems. In fact, the structural nature of these devices constitutes a serious impediment to a clear view of the work area, particularly due to the high opacity to X-rays of the materials used (metals in particular) and to the architecture of the cardiac masseur itself, which requires an interfering positioning with the X-ray path. The radiographer's field of view, ie the area represented in the reconstructed image, will thus present a series of more or less dark and irregular shadows that make the surgeon's work difficult, if not impossible.
    [0008] In particular, the massaging device 100, although relatively thin and not bulky on the vertical, has the active part in the platform 103 under the patient's chest and therefore on the trajectory of the X-rays, which makes the cardiac massager 100 not exempt from the masking effect.
    [0009] Similarly, in the other types of cardiac massager 200, 300 described above, since the compression takes place on the sternum thanks to a piston, one has that practically the whole device is placed on the axis passing through the heart and therefore, also in this case , it is not possible to avoid the X-ray masking effect.
    [0010] A further known cardiac massager 400 has a pneumatic compressor 401 with one-sided actuation. This solution makes it possible to have the opposite side substantially free from objects that could interfere with the radiograph, however this device is suitable only for inclined panoramas with respect to the vertical. The problem of X-ray masking is therefore not completely eliminated.
    [0011] In view of the state of the art, the object of the present invention is to provide a cardiac massager as transparent as possible to X-rays, relative to the work area, and such as to allow vertical panoramas of the work area and inclined with greater angles with respect to the vertical.
    [0012] According to the present invention, said purpose is achieved by means of an automatic cardiac massager for use in the catheterization room, characterized in that it comprises a support platform for a patient's back to be subjected to cardiac massage and at least two turrets that branch off laterally from said supporting platform, said at least two side turrets each containing an actuator for moving a transverse bridge with a pad for chest compression of the patient, perpendicularly to the supporting platform, at least said transverse bridge and support platform being made of a radiolucent material.
    [0013] The characteristics and advantages of the present invention will become clear from the following detailed description of two practical embodiments thereof, illustrated as a non-limiting example in the enclosed drawings, in which:<tb> Fig. 1 <SEP> shows a known automatic cardiac massager with a compression system with side straps;fig. 2 <SEP> shows a known cardiac massager comprising a functional body to be positioned on the patient's chest using straps;fig. 3 <SEP> shows a known cardiac massager comprising a functional body to be positioned on the patient's thorax by means of a structure comprising support arms that branch off laterally from a supporting plate;fig. 4 <SEP> shows a cardiac massager known from a pneumatic compressor with one-sided actuation;fig. 5 <SEP> shows an axonometric view of a first embodiment of a cardiac massager according to the present invention;fig. 6 <SEP> shows a front view of the cardiac massager of fig. 5;fig. 7 <SEP> shows an axonometric view of a second embodiment of a cardiac massager according to the present invention;fig. 8 <SEP> shows a front view of the cardiac massager of fig. 7;fig. 9 <SEP> shows a cutaway view of a first detail of the cardiac massager of fig. 7;fig. 10 <SEP> shows a second detail of the cardiac massager of fig. 7
    [0014] In fig. 5 shows an automatic cardiac massager 1, according to a first embodiment of the present invention, for use in the catheterization room.
    [0015] The automatic cardiac massager 1 is used in order to perform compressions of the thoracic region of a patient with a constant frequency and depth to support blood circulation and facilitate the return to spontaneous circulation.
    [0016] The cardiac masseur 1 is widely used within the catheterization room in which, while cardiac massage is being exercised, it is necessary to be able to observe the area in which one is intervening by means of an radiograph in order to operate with the necessary precision.
    [0017] The cardiac massager 1 provides a support surface 2 for the back of the patient, of substantially rectangular shape and a certain thickness which is reduced in correspondence with at least one of the long sides according to a ramp 3 suitably shaped to facilitate the fitting and patient positioning to be subjected to cardiac massage.
    [0018] By way of example, the long side of the support platform 2 has dimensions of about 69 cm.
    [0019] The supporting platform 2 is made of carbon fiber, ie a composite based on epoxy resins and carbon fiber fabrics, precisely, arranged in properly oriented layers, Carbon fiber in particular, in addition to to offer a high mechanical resistance, it is the ideal material to have rigid, resistant, light structures and, for the specific application under examination, radiolucent, or transparent to X-rays produced by the radiograph. Similarly, the support platform 2 can be made with any other type of material with radiolucent characteristics.
    [0020] The cardiac massager 1 comprises at least two lateral turrets 4, 40 which branch off laterally from said supporting platform 2. Particularly, there are a master turret 4 and a slave turret 40 fixed in correspondence with the short sides of the platform. support 2 by means of a hinge system with a spring-loaded hook 22. By way of example, the master turret 4 and the slave turret 40 are substantially shaped according to rectangular rectangles of a height of about 31 cm and have a distance between the opposite surfaces of about 45 cm.
    [0021] Internally, each of said side turrets 4, 40 contains an actuator 13 configured for moving a transverse bridge 5 adapted to transfer the forces generated by said actuators to the sternum (compression of the thoracic region) by means of a pad 6 included in the same transverse bridge 5.
    [0022] In particular, the transverse bridge 5 is a bar with a polygonal section (for example hexagonal) which centrally has a lower protrusion (for example a truncated pyramid) on which the pad 6 is placed.
    [0023] The transverse bridge 5 is also made of carbon fiber or with any other type of material with radiolucent characteristics. The pad 6 is instead made of silicone and can be shaped like a suction cup, so that, during the step of raising the bridge 5, the adherence effect that occurs between the suction cup and the patient's chest contributes to expand the chest upwards and consequently generate a significant increase in the volume of cardiac cavities. In this way the heart, although passively, increases its flow to the advantage of the movement of the blood and therefore of its oxygenation.
    [0024] The use of carbon fiber causes the cardiac massager 1 to offer an excellent level of transparency to X-rays both along the radiographer's work line A and at relatively wide, longitudinal and transverse angles. Said working line A (fig. 6) is conceivable as a vertical axis, perpendicular to the supporting platform 2, and passing substantially through the center of the latter.
    [0025] The angle between an inclined line B and the working line A, with respect to a center of rotation O near the supporting platform 2 (for example at an altitude of 5 cm from the center of the platform 2), represents the semi-opening of the radiograph's field of view (fig. 6). Said inclined line B is substantially tangent to the top part of one of the side towers 4, 40 which, as mentioned, contain the "active part" of the cardiac massager 1, or a portion which inevitably creates shadows on the image X supplied by the radiograph. Thanks to the aforementioned lateral arrangement, the active part is placed externally with respect to the radiograph's work line A, allowing the surgeon to operate with a broad and clear view of the work area. In particular, this structure guarantees a semi-opening of the field of view of about 30 degrees: the radiographer's overall field of view will therefore have a conical shape (cone of sight), with AOB and AO axis half-opening (fig. 5).
    [0026] In particular, the two actuators 13 positioned in the master side turrets 4 and slave 40 are electromechanical actuators suitably controlled and synchronized by an electronics on board the master turret 4 which, as mentioned, allow the transverse bridge 5 to lower and to rise according to parameters set by a control panel 10 also mounted on the side master tower 4, on an external lateral surface as shown in fig. 5 The control panel 10 comprises a headboard and a display and is adapted to set the massage parameters, ie essentially the depth of the thoracic compress and the frequency of the compressions.
    [0027] Each actuator 13 (Fig. 9) comprises an electric motor 14 which through a transmission system 15 transfers a linear movement to the transverse bridge 5 in a direction perpendicular to the supporting platform 2 and therefore to the pad 6 which will come into contact with the patient's thoracic region. For example, the transmission system 15 comprises a first pulley 16 integral with the driving shaft, a second pulley 17 integral with a driving screw 18 and a belt 19 able to connect together said crankshaft and said driving screw 18 The drive screw 18 is coupled to a nut 180 made of self-lubricating plastic material fixed to a slider 29 so as to convert the rotary motion of the electric motor 14 into a translational motion of the slider 29 which is able to couple with the transverse bridge 5 The slider 29 is slidable by means of a pair of runners 20, also made of self-lubricating plastic material, along two vertical rods 21 fixed to the frame of the side turret 4, 40.
    [0028] The electronics on board the master turret 4 comprises at least one microcontroller configured to simultaneously send appropriate commands to a control unit of each motor 14 so that these act accordingly and perfectly synchronized. The electronics also allows to check the entity of any misalignments between the ends of the transverse bridge 5 and, in the case of excess with respect to the foreseen tolerances, interrupt the massage indicating an error situation (acoustic signal and message on the control panel display 10).
    [0029] Therefore, the two actuators 13 work synchronously and therefore function as a single actuator in order to ensure symmetry and balance of the structure of the cardiac massager 1 and of the application of forces.
    [0030] Furthermore, the actuators can be activated (or deactivated) by means of a floor switch (not shown in the figures) connected to a suitable first bayonet connector 12, of which the support platform 2 is provided; the pedal button allows the operator to easily activate (or deactivate) the cardiac massager 1 without having to resort to the hands, usually engaged in other activities. In fact, the floor switch works in parallel with a pause-start key on the keyboard and also constitutes a safety shut-down system since, due to its size and accessibility, it is easier to operate.
    [0031] The cardiac massager 1 furthermore comprises means 7 for adjusting the height of the transverse bridge 5 with respect to the supporting platform 2. Therefore, it is possible to suitably adjust the vertical positioning of the silicone pad 6, according to the size of the patient. Particularly, the adjustment means 7 comprise two linear ring nuts 8 each integral with one of said sliders 29 and arranged at the opposite side surfaces of the two side towers 4, 40. Furthermore, the adjustment means 7 comprise a pair of coupling handles 9 (or release), present at the ends of the transverse bridge 5; the hooking handles 9 are able to couple with the linear ring nuts 8 so as to be able to slide along the same and lock at determined levels of height of the transverse bridge 5 from the supporting platform 2.
    [0032] A second connector 11 is also provided in the support platform for the electrical supply of the cardiac massager 1.
    [0033] In fig. 7 shows an automatic cardiac massager 110, according to a second embodiment of the present invention, for use in the catheterization room.
    [0034] The cardiac massager 110 shown in fig. 7 differs from the previous embodiment in that it comprises a transverse bridge 50 substantially arch-shaped and with linear sliding rings 80 present at the ends of the transverse bridge 50; centrally, the transversal bridge 50 has a lower protrusion (for example a truncated pyramid) on which the pad 6 is located. Thanks to this configuration of the transversal bridge 50, the half-aperture AOB of the radiograph field of view is increased and is here equal to about 40 degrees (fig. 8).
    [0035] Furthermore, in this case, the cardiac massager 110 comprises adjustment means 70 with a comb-fixing system (Fig. 10). In particular, the adjustment means 70 provide a pair of hinges 28, fixed to said sliders 29 of the actuators 13, able to couple with the two sliding rings 80 of the transverse bridge 50. Each of said hinges 28 is provided with a lever 23 for the translatory movement of a key 27 able to mesh with a plurality of teeth 26 present in the linear ring nut 80.
    [0036] The two linear ring nuts 80 allow steps of 6 mm and are able to slide along said hinges 28 as long as the levers 23 are in the release position (keys 27 disengaged with respect to the teeth); differently, the two linear ring nuts 80 lock when the levers 23 are in a coupling position (keys engaged with the teeth 26), constraining the transverse bridge 50 to the actuators 13.
    [0037] The power supply unit and the floor switch are connected, respectively, to the massager by means of two bayonet connectors 25, 24 this time arranged on the master turret 4 while the slave turret 40 is fed and controlled through the platform of support 2 and electrical spring contacts positioned on the lower part of the turrets themselves.
    [0038] The cardiac massager 1, 110 according to the present invention performs compressions from the thoracic region with a depth of about 20% of the patient's sternal-vertebral column distance (ie 50-70 mm, with reference to an adult patient with chest thickness between 170 and 260 mm) with a compressive frequency between 60–100 compressions per minute.
    [0039] The cardiac massager 1, 110, disassembled in its components, can be stored and transported in a suitable case. At the time of use in the catheterization room, the cardiac massager 1, 110 needs few operations to be mounted and made operational:positioning of the support platform 2 on a cot,coupling of the turrets 4, 40 to the sides of the support platform 2 (in horizontal position) by inserting the turrets 4, 40 in the special hinges 22 (keeping them at an angle of about 20-25 ° with respect to the support platform 2 )placement of the patient on the support platform 2,rotation of the turrets 4, 40 in a vertical position and anchoring through the hooks of the hinges 22,connection of the power supply and the floor switch to the master turret 4 (the connection of the switch is essential as it performs a safety function which, if not detected by the on-board electronics, massage is not allowed),connection of the power supply to the mains and switching on.
    [0040] In the use and relative operation of the cardiac massager 1, 110 according to the present invention the following steps are provided:search of the references and activation of the control on the actuators 13 so that the cursors 29 are aligned and the on-board electronics allow them to remain so during the insertion and positioning of the transverse bridge 50 on the patient,insertion and fixing of the transverse bridge 50 by lifting the levers 23 present on the sliders 29 so as to align the keys 27 in a suitable manner,positioning of the transverse bridge 50 with the pad 6 in contact with the patient's chest,positioning in the small levers 23 in a hooking position to secure the transverse bridge 50 to the actuators 13,setting of massage parameters using the keypad and display on control panel 10,activation of the massage by acting on the control panel keypad button 10 or on the floor switch,interruption of the massage by pressing the control panel keypad 10 or the floor switch; the actuators 13 complete the compression cycle in progress and return to the initial position.
    [0041] With the cardiac massager 1, 110 according to the present invention the semi-opening of the head of sight can reach up to about 40 degrees, and currently represents the maximum opening of the cone of sight. The lateral actuation in fact solves the typical problem of known devices, namely that of having the metal parts in front of or behind the work area and therefore in line with the radiograph. Ultimately, thanks to the use of radiolucent materials, such as carbon fiber, and with an external arrangement of the active part, the cardiac massager 1, 110 according to the present invention is able to offer a high and extended transparency to X-rays , relative to the work area, allowing vertical panoramas of the work area and inclined with greater angles than the vertical.
    权利要求:
    Claims (15)
    [1]
    1. Automatic cardiac massager (1, 110) for use in the catheterization room, characterized in that it comprises a support platform (2) for a patient's back to be subjected to cardiac massage and at least two turrets (4, 40 ) which branch off laterally from said supporting platform (2), said at least two lateral turrets (4, 40) each containing an owner (13) for moving a transverse bridge (5, 50) with a pad (6) for the patient's chest compression, perpendicularly to the support platform (2), at least said transverse bridge (5, 50) and support platform (2) being made of a radiolucent material.
    [2]
    2. Cardiac massager (1, 110) according to claim 1, characterized in that said lateral towers (4, 40) comprise adjustment means (7, 70) of the height of the transverse bridge (5, 50) with respect to the platform d 'support (2).
    [3]
    3. Cardiac massager (1) according to claim 2, characterized in that said adjustment means (7) comprise linear ring nuts (8), arranged on opposite side surfaces of the two side turrets (4), and a pair of coupling handles (9) (or release), present at the ends of the transverse bridge (5), said coupling handles (9) being able to couple with the linear ring nuts (8) so as to slide along the same and lock at determined levels of height of the transverse bridge (5) from the support platform (2).
    [4]
    4. Cardiac massager (1) according to claim 1, characterized in that said transverse bridge (5) is a bar with a polygonal section which centrally has a lower protrusion on which the pad (6) is placed.
    [5]
    5. Cardiac massager (110) according to claim 2, characterized in that said adjustment means (70) comprise a pair of hinges (28) fixed to the actuators (13) and suitable for coupling with sliding sliding ring nuts (80) present at the ends of the transverse bridge (50), said hinges (28) each being provided with a lever (23) for the translatory movement of a key (27) able to mesh with a plurality of teeth (26) present in the linear ring (80 )
    [6]
    6. Cardiac massager (110) according to claim 1, characterized in that said transverse bridge (50) is substantially arch-shaped and centrally has a lower protrusion on which the pad (6) is placed.
    [7]
    7. Cardiac massager (1, 110) according to claim 1, characterized in that said actuators (13) are electromechanical actuators each comprising an electric motor (14) which transfers a linear movement to the bridge through a transmission system (15) transverse (5, 50) in a direction perpendicular to the supporting platform (2) and therefore to the pad (6) which will come into contact with the thoracic region of the patient.
    [8]
    8. Cardiac massager (1, 110) according to claim 7, characterized in that said transmission system (15) comprises a first pulley (16) integral with the driving shaft, a second pulley (17) integral with a driving screw (18) and a belt (19) adapted to connect said drive shaft and said drive screw (18) together, said drive screw (18) being coupled to a nut (180) made of self-lubricating plastic material fixed to a cursor (29) which is able to couple with the transverse bridge (5, 50).
    [9]
    9. Cardiac massager (1, 110) according to claim 8, characterized in that said slider (29) is slidable by means of a pair of shoes (20) made of self-lubricating plastic material along two vertical rods (21) fixed to the frame of the side turret (4, 40).
    [10]
    10. Cardiac massager (1, 110) according to claims 1 or 7, characterized in that said actuators can be activated (or deactivated) by means of a floor switch connected to a suitable first connector (11, 25) of which the support platform (2) or one of the turrets (4) is provided.
    [11]
    11. Cardiac massager (1, 110) according to claim 1 or 7, characterized in that the actuators (13) are controlled and synchronized by an electronics on board one of the turrets (4) to allow the transverse bridge (5, 50) to lower and raise according to parameters set by a control panel (10) also mounted on the turret (4), said control panel (10) comprising a headboard and a display and being adapted to set the massage parameters.
    [12]
    12. Cardiac massager (1, 110) according to claim 11, characterized in that said on-board electronics comprises a microcontroller configured to send at the same time appropriate commands to a control unit of each motor (14) so that these act in synchronization, said electronics a the board is also configured to check the extent of any misalignment between the ends of the transverse bridge (5, 50) and possibly interrupt the massage indicating an error situation on the control panel display (10).
    [13]
    13. Cardiac massager (1, 110) according to claim 1, characterized in that said radiolucent material is carbon fiber.
    [14]
    14. Cardiac massager (1, 110) according to any one of the previous claims, characterized in that the angle comprised between an inclined line (B) and a working line (A) with respect to a center of rotation (O) is not lower than about 30 degrees, said inclined line (B) being substantially tangent to one of the side towers (4), and said work line (A) being perpendicular to the supporting platform (2) and passing substantially through the center of this 'last.
    [15]
    15. Cardiac massager (1, 110) according to any one of the previous claims, characterized in that it performs compressions from the thoracic region with a depth of about 20% of the patient's sternal-vertebral column distance (ie 50-70 mm, with reference to an adult patient with a chest thickness between 170 and 260 mm) with a compression frequency between 60 and 100 compressions per minute.
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    同族专利:
    公开号 | 公开日
    CH710822B1|2019-04-30|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    2017-01-31| PCAR| Change of the address of the representative|Free format text: NEW ADDRESS: VIA ARIOSTO 6, 6901 LUGANO (CH) |
    2018-06-15| PUE| Assignment|Owner name: LUGANO TECHNOLOGY TRANSFER (LTT) SA, CH Free format text: FORMER OWNER: FONDAZIONE CARDIOCENTRO TICINO (FCCT), CH |
    2018-06-15| NV| New agent|Representative=s name: RAPISARDI INTELLECTUAL PROPERTY SA, CH |
    2020-10-30| PL| Patent ceased|
    优先权:
    申请号 | 申请日 | 专利标题
    CH00302/15A|CH710822B1|2015-03-05|2015-03-05|Automatic cardiac massager for use in catheterization rooms.|CH00302/15A| CH710822B1|2015-03-05|2015-03-05|Automatic cardiac massager for use in catheterization rooms.|
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