Atrial appendage clip conveying system

Abstract

The invention relates to the technical field of medical instruments, in particular to an auricular appendage clip conveying system which comprises an adjusting actuator and an auricular appendage clip fixing assembly. The adjusting actuator comprises a handle, and a first bending adjusting assembly, a second bending adjusting assembly, an opening and closing assembly and a releasing assembly which are movably arranged on the handle; the auricular appendage clamp fixing assembly comprises a first clamp arm and a second clamp arm which are arranged oppositely, an auricular appendage clamp body is arranged between the front end of the first clamp arm and the front end of the second clamp arm, and an auricular appendage clamp fixing line is connected between the front end of the first clamp arm and the front end of the second clamp arm. Opening and closing, adjustment in the left-right direction and final releasing and closing of the auricle clamp are achieved through all the assemblies on the handle, the auricle clamp is mainly used for clamping and closing a left auricle in a minimally invasive surgery and preventing embolic diseases of atrial fibrillation patients, and the auricle clamp is ingenious in design, novel in structure, good in practicability and beneficial to shortening the surgery time and avoiding thrombus falling.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a cardiac ear clip delivery system. Background Technology

[0002] Currently, the main methods for preventing embolic diseases in patients with atrial fibrillation include drug anticoagulation and surgical treatment. Left atrial appendage clipping surgery is a minimally invasive procedure assisted by thoracoscopic surgery. Directly clipping the left atrial appendage avoids risks such as bleeding and tearing, resulting in extremely high safety, and eliminating the need for long-term anticoagulation after surgery. Commonly used atrial appendage clip delivery systems mainly include a handle control system, pull ropes, connecting rods, and clamping devices. Using pull ropes as a medium, the handle device controls the pull ropes to adjust the angle of the fixed end of the atrial appendage clip. Once the angle is appropriately adjusted, operating the control handle drives another set of pull ropes, which in turn open or close the atrial appendage clip. For example, application number 202410507972.3 proposes an atrial appendage clip delivery device to address embolic diseases in patients with atrial fibrillation, but it also has two problems: 1) The angle adjustment cord of the atrial appendage clip delivery device is in a taut state. As the operation time increases, the risk of the taut cord breaking increases. If the cord breaks during the operation, it will cause the delivery system to fail, which may cause injury to the surgeon, some of which may be irreversible. Therefore, the existing atrial appendage clip delivery system does not have a relatively stable angle adjustment device.

[0003] 2) The opening and closing of the atrial appendage clip delivery device is achieved by a pull rope driving the rotation of gears. The gears operate by transmitting motion and power through the meshing of their teeth. The force is large, and with prolonged use, the reaction force on the pull rope increases, raising the risk of rope breakage. If the pull rope breaks during surgery, the delivery system will fail, potentially causing irreversible injury to the surgeon. Therefore, existing atrial appendage clip delivery systems lack a mechanism for adjusting the opening and closing force. Summary of the Invention

[0004] This invention addresses the problems of existing technologies by providing a cardiac appendage clamp delivery system. Through various components on the handle, the system enables the opening and closing of the cardiac appendage clamp, lateral adjustment, and final release and closure. It is mainly used for clamping the left atrial appendage during minimally invasive surgery to prevent embolic diseases in patients with atrial fibrillation. This invention is ingeniously designed, has a novel structure, and possesses good practicality. It helps to shorten surgical time and avoid thrombus dislodgement.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: This invention provides a cardiac ear clip delivery system, comprising an adjusting actuator and a cardiac ear clip fixing assembly. The adjusting actuator includes a handle and a first bending assembly, a second bending assembly, a tensioning and closing assembly, and a release assembly movably disposed on the handle. The cardiac ear clip fixing assembly includes a first clamp arm and a second clamp arm arranged opposite each other. A cardiac ear clip body is mounted between the front ends of the first clamp arm and the second clamp arm, and a cardiac ear clip fixing line connects the front ends of the first clamp arm and the second clamp arm. The first clamp arm and the second clamp arm are movably disposed at the front end of the handle. The tensioning and closing assembly drives the first clamp arm and the second clamp arm to move so that they open relative to each other, thereby opening the cardiac ear clip body. The front ends of the first clamp arm and the second clamp arm are movably connected. The first bending assembly drives the first clamp arm and the second clamp arm to bend synchronously to the left, and the second bending assembly drives the first clamp arm and the second clamp arm to bend synchronously to the right. The release assembly drives the first clamp arm and the second clamp arm to disengage from the cardiac ear clip body, thereby releasing and closing the cardiac ear clip body.

[0006] Preferably, the tensioning and closing assembly includes a double-layer wheel, a connecting shaft, a tensioning and closing push button, a first tensioning and closing rope, and a second tensioning and closing rope. The tensioning and closing push button is movably mounted on the handle. One end of the connecting shaft is connected to the handle. The double-layer wheel is rotatably mounted on the other end of the connecting shaft. One end of the first tensioning and closing rope and one end of the second tensioning and closing rope are respectively connected to the tensioning and closing push button. The other end of the first tensioning and closing rope is connected to the rear end of the first clamp arm. The other end of the second tensioning and closing rope is connected to the rear end of the second clamp arm. The first clamp arm and the second clamp arm are slidably connected to both sides of the double-layer wheel. The first tensioning and closing rope and the second tensioning and closing rope are respectively located on both sides of the connecting shaft and are arranged along the axial direction of the connecting shaft.

[0007] Preferably, the tensioning and closing assembly includes a double-layer wheel, a connecting shaft, a tensioning and closing push button, and an independent tensioning and closing rope. The tensioning and closing push button is movably mounted on the handle. One end of the connecting shaft is connected to the handle. The double-layer wheel is rotatably mounted on the other end of the connecting shaft. The two ends of the independent tensioning and closing rope are respectively connected to the rear ends of the first clamp arm and the second clamp arm. The middle part of the independent tensioning and closing rope is connected to the tensioning and closing push button. The first clamp arm and the second clamp arm are slidably connected to both sides of the double-layer wheel. The two ends of the independent tensioning and closing rope are respectively located on both sides of the connecting shaft.

[0008] The double-layer wheel includes a first wheel body and a second wheel body, which are arranged facing each other. The first wheel body and the second wheel body are respectively rotatably mounted on the other end of the connecting shaft. A first guide rail groove is provided on the side of the first clamp arm near the first wheel body, and the first guide rail groove is slidably connected to the first wheel body. A second guide rail groove is provided on the side of the second clamp arm near the second wheel body, and the second guide rail groove is slidably connected to the second wheel body. The first guide rail groove and the second guide rail groove are respectively symmetrically inclined.

[0009] The handle is provided with a tensioning and closing limiting groove, and the tensioning and closing push button is movably disposed within the tensioning and closing limiting groove.

[0010] The first bending assembly includes a first bending push button and a first bending arm. The first bending push button is movably mounted on the handle. One end of the first bending arm is connected to the first bending push button, and the other end of the first bending arm is used to slide against the first clamp arm to drive the first clamp arm to bend to the left. The first bending arm is provided with a first inclined surface that slides against the first clamp arm.

[0011] The handle is provided with a first bending limit groove, and the first bending push button is movably disposed in the first bending limit groove.

[0012] The second bending assembly includes a second bending push button and a second bending arm. The second bending push button is movably mounted on the handle. One end of the second bending arm is connected to the second bending push button, and the other end of the second bending arm is used to slide against the second clamp arm to drive the second clamp arm to bend to the left. The second bending arm is provided with a second inclined surface that slides against the second clamp arm.

[0013] The handle is provided with a second bending limit groove, and the second bending push button is movably disposed in the second bending limit groove.

[0014] The release assembly includes a release slider and a release rope. The release slider is slidably disposed at the rear end of the handle. One end of the release rope is connected to the release slider, and the other end of the release rope is connected to the ear clip fixing line.

[0015] The beneficial effects of this invention are: This invention comprises a handle, an adjusting actuator, and a first bending component, a second bending component, a tensioning and closing component, a release component, and an atrial appendage clamp fixing component. During surgery, the atrial appendage clamp of the adjusting actuator and atrial appendage clamp delivery system is delivered to the root of the left atrial appendage using a minimally invasive video-assisted laparoscopic procedure to clamp the left atrial appendage. The surgeon enters the thoracic cavity along the trocar; as the clamp approaches the left atrial appendage, the tensioning and closing component drives the first and second clamp arms to move relative to each other, thus opening the atrial appendage clamp. The first and second bending components are adjusted to allow the first and second clamp arms to swing at the desired angle. The system allows the atrial appendage clamp to be delivered to the root of the left atrial appendage, and the clamp is released and closed by controlling the release component. The clamp fixing line connects the first and second clamp arms to ensure synchronous movement. The system utilizes components on the handle to open and close the atrial appendage clamp, adjust its lateral direction, and ultimately release and close it. It is primarily used for clamping the left atrial appendage during minimally invasive surgery to prevent embolic diseases in patients with atrial fibrillation. This invention is ingeniously designed, novel in structure, and highly practical, helping to shorten surgical time and prevent thrombus detachment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a cardiac clamp delivery system according to the present invention.

[0017] Figure 2 This is a schematic diagram of the structure of the opening and closing component of the present invention.

[0018] Figure 3 This is a schematic diagram of the structure of the first bending adjustment component and the second bending adjustment component of the present invention.

[0019] Figure 4 This is a schematic diagram of the structure of the release component of the present invention.

[0020] Figure 5 This is a schematic diagram of the state when the opening and closing component of the present invention drives the aortic clamp body to open.

[0021] Figure 6 This is a schematic diagram of the state of the first clamp arm of the present invention when it moves along the first wheel body.

[0022] Figure 7 This is a schematic diagram of the state of the second clamp arm of the present invention when it moves along the second wheel body.

[0023] Figure 8 This is a schematic diagram of the state when the first bending component of the present invention drives the first clamp arm and the second clamp arm to bend to the left.

[0024] Figure 9 This is a schematic diagram of the state when the second bending component of the present invention drives the first clamp arm and the second clamp arm to bend to the right.

[0025] exist Figures 1 to 9 The reference numerals in the figures include: 100. Handle; 200. Ear clip fixing assembly; 300. Ear clip body; 400. Double-layer wheels; 1. First clamp arm; 2. Second clamp arm; 3. Heart and ear clamp fixing line; 4. Connecting shaft; 5. Tension and closure push button; 6. First tension and closure rope; 7. Second tension and closure rope; 8. First wheel body; 9. Second wheel body; 10. First guide rail groove; 11. Second guide rail groove; 12. Tension and closure limit groove; 13. First bending push button; 14. First bending arm; 15. First bending limit groove; 16. Second bending push button; 17. Second bending arm; 18. Second bending limit groove; 19. Release slider; 20. Release rope body; 21. First inclined plane; 22. Second inclined plane. Detailed Implementation

[0026] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention. The present invention will be described in detail below with reference to the accompanying drawings. Example 1

[0027] In Embodiment 1 of this application, as Figures 1 to 9 The illustrated aortic clamp delivery system includes an adjusting actuator and an aortic clamp fixing assembly 200. The adjusting actuator includes a handle 100 and a first bending assembly, a second bending assembly, a tensioning / closing assembly, and a release assembly, all movably mounted on the handle 100. The aortic clamp fixing assembly 200 includes a first clamp arm 1 and a second clamp arm 2 facing each other. An aortic clamp body 300 is mounted between the front ends of the first clamp arm 1 and the second clamp arm 2. An aortic clamp fixing line 3 connects the front ends of the first clamp arm 1 and the second clamp arm 2. The first clamp arm 1 and the second clamp arm 2 are movably... The opening and closing assembly, located at the front end of the handle 100, is used to drive the first clamp arm 1 and the second clamp arm 2 to move so that they open relative to each other, thereby causing the atrial appendage clamp body 300 to open; the front end of the first clamp arm 1 is movably connected to the front end of the second clamp arm 2; the first bending assembly is used to drive the first clamp arm 1 and the second clamp arm 2 to bend to the left simultaneously; the second bending assembly is used to drive the first clamp arm 1 and the second clamp arm 2 to bend to the right simultaneously; the releasing assembly is used to drive the first clamp arm 1 and the second clamp arm 2 to disengage from the atrial appendage clamp body 300 so that the atrial appendage clamp body 300 is released and closed.

[0028] Specifically, Embodiment 1 of this application comprises a handle 100, an adjusting actuator, and a first bending component, a second bending component, an opening and closing component, a release component, and an atrial appendage clamp fixing component 200. During surgery, the atrial appendage clamp of the adjusting actuator and the atrial appendage clamp delivery system is delivered to the root of the left atrial appendage and clamped using a minimally invasive laparoscopic procedure. When the surgeon enters the thoracic cavity along the trocar and is about to reach the left atrial appendage, the opening and closing component drives the first clamp arm 1 and the second clamp arm 2 to move relative to each other, thereby opening the atrial appendage clamp. The first bending component and the second bending component are adjusted to allow the first clamp arm 1 and the second clamp arm 2 to swing as needed. The angle is adjusted so that the atrial appendage clamp is delivered to the root of the left atrial appendage, and the release and closure of the atrial appendage clamp are achieved by controlling the release component; wherein, the atrial appendage clamp fixing line 3 is used to connect the first clamp arm 1 and the second clamp arm 2 so that the first clamp arm 1 and the second clamp arm 2 move synchronously; the system of Embodiment 1 of this application realizes the opening and closing, left and right direction adjustment and final release and closure of the atrial appendage clamp through the components on the handle 100, which is mainly used to clamp the left atrial appendage in minimally invasive surgery to prevent embolic diseases in patients with atrial fibrillation. Embodiment 1 of this application has a clever design, novel structure, and good practicality, which helps to shorten the operation time and avoid thrombus dislodgement.

[0029] In this embodiment, the tensioning and closing assembly includes a double-layer wheel 400, a connecting shaft 4, a tensioning and closing push button 5, a first tensioning and closing rope 6, and a second tensioning and closing rope 7. The tensioning and closing push button 5 is movably mounted on the handle 100. One end of the connecting shaft 4 is connected to the handle 100, and the double-layer wheel 400 is rotatably mounted on the other end of the connecting shaft 4. One end of the first tensioning and closing rope 6 and one end of the second tensioning and closing rope 7 are respectively connected to the tensioning and closing push button 5. The other end of the first tensioning and closing rope 6 is connected to the rear end of the first clamping arm 1, and the other end of the second tensioning and closing rope 7 is connected to the rear end of the second clamping arm 2. The first clamping arm 1 and the second clamping arm 2... The first closing rope 6 and the second closing rope 7 are slidably connected to both sides of the double-layer wheel 400, respectively, and are located on both sides of the connecting shaft 4. The first closing rope 6 and the second closing rope 7 are arranged along the axial direction of the connecting shaft 4. The handle 100 is provided with a tensioning and closing limiting groove 12, and the tensioning and closing push button 5 is movably disposed in the tensioning and closing limiting groove 12. Several first limiting buckles are arranged in a row at equal intervals on both sides of the tensioning and closing limiting groove 12. The first limiting buckles abut against both sides of the tensioning and closing push button 5 to achieve position positioning after the tensioning and closing push button 5 moves up and down, and to prevent the tensioning and closing push button 5 from sliding when no manual pushing force is applied.

[0030] The double-layer wheel 400 includes a first wheel body 8 and a second wheel body 9, which are arranged facing each other. The first wheel body 8 and the second wheel body 9 are rotatably mounted on the other end of the connecting shaft 4. The first clamp arm 1 is provided with a first guide rail groove 10 on the side near the first wheel body 8, and the first guide rail groove 10 is slidably connected to the first wheel body 8. The second clamp arm 2 is provided with a second guide rail groove 11 on the side near the second wheel body 9, and the second guide rail groove 11 is slidably connected to the second wheel body 9. Preferably, the first wheel body 8 and the second wheel body 9 are coaxially movably connected, that is, the first wheel body 8 and the second wheel body 9 can rotate independently. The first guide rail groove 10 and the second guide rail groove 11 are respectively symmetrically inclined, which is used to cooperate with the double-layer wheel 400 to drive the first clamp arm 1 and the second clamp arm 2 to open away from each other.

[0031] Specifically, in the initial state, the first clamp arm 1 and the second clamp arm 2 are brought closer together by the clamp fixing line 3, and the clamp is in a retracted state. During operation, the tension / closing push button 5 is pushed upwards along the handle 100, causing the first clamp arm 1 and the second clamp arm 2 to move upwards synchronously via the first tension / closing rope 6 and the second tension / closing rope 7. Simultaneously, the first clamp arm 1 and the second clamp arm 2 slide against the double-layer wheel 400 to provide guidance, improving the stability and reliability of their movement. Furthermore, the first guide rail groove 10 and the second guide rail groove 1... The first clamp arm 1 and the second clamp arm 2 are symmetrically inclined. During the synchronous upward movement of the first clamp arm 1 and the second clamp arm 2, the first guide rail groove 10 and the second guide rail groove 11 cooperate with the first wheel body 8 and the second wheel body 9 respectively, causing the first clamp arm 1 and the second clamp arm 2 to move away from each other and open, so that the moving ear clamp body 300 opens. In the first embodiment of this application, under the cooperation of the double-layer wheel 400 with the first clamp arm 1 and the second clamp arm 2, the opening and closing rope drives the first clamp arm 1 and the second clamp arm 2 to slide along the wheel when opening and closing, which solves the problem that the traditional ear clamp conveying device achieves the opening and closing through gears with large force, and the pull rope has a risk of breakage during use.

[0032] In this embodiment, the first bending assembly includes a first bending push button 13 and a first bending arm 14. The first bending push button 13 is movably mounted on the handle 100. One end of the first bending arm 14 is connected to the first bending push button 13, and the other end of the first bending arm 14 is used to slide against the first clamp arm 1 to drive the first clamp arm 1 to bend to the left. The first bending arm 14 is provided with a first inclined surface 21 that slides against the first clamp arm 1. A first bending limiting groove 15 is provided on the handle 100, and the first bending push button 13 is movably mounted within the first bending limiting groove 15. A plurality of second limiting buckles are provided at equal intervals on both sides of the inner wall of the first bending limiting groove 15. The second limiting buckles abut against both sides of the first bending push button 13 to achieve position positioning after the first bending push button 13 moves up and down, preventing the first bending push button 13 from sliding when no manual pushing force is applied. The second bending assembly includes a second bending push button 16 and a second bending arm 17. The second bending push button 16 is movably mounted on the handle 100. One end of the second bending arm 17 is connected to the second bending push button 16, and the other end of the second bending arm 17 is used to slide against the second clamp arm 2 to drive the second clamp arm 2 to bend to the left. The second bending arm 17 is provided with a second inclined surface 22 that slides against the second clamp arm 2. The handle 100 has a second bending limiting groove 18, and the second bending push button 16 is movably mounted in the second bending limiting groove 18. The inner wall of the second bending limiting groove 18 has a row of equally spaced third limiting buckles on both sides. The third limiting buckles abut against both sides of the second bending push button 16 to position the second bending push button 16 after it moves up and down, preventing the second bending push button 16 from sliding when no manual force is applied.

[0033] Specifically, when it is necessary to simultaneously bend the first clamp arm 1 and the second clamp arm 2 to the left, push the first bending adjustment knob 13 downward, pushing the first bending adjustment arm 14 downward. The downward movement of the first bending adjustment arm 14 pushes the first clamp arm 1, which, under the action of the first inclined surface 21, swings the first clamp arm 1 to the left. With the connection of the aortic clamp fixing line 3, the first clamp arm 1 swings to the left synchronously. When resetting is required, simply push the first bending adjustment knob 13 upward. When it is necessary to simultaneously bend the second clamp arm 2 and the first clamp arm 1 to the right... Pushing the second bending adjustment knob 16 downwards pushes the second bending adjustment arm 17 downwards. The downward movement of the second bending adjustment arm 17 pushes the second clamping arm 2. Under the action of the second inclined plane 22, the second clamping arm 2 is pushed to swing to the right. Under the connection of the heart ear clamp fixing line 3, the second clamping arm 2 is simultaneously driven to swing to the right. When it is necessary to reset, the second bending adjustment knob 16 is pushed upwards. In the first embodiment of this application, under the cooperation of the first bending adjustment component and the second bending adjustment component, the angle of the conveying system is adjusted by the bending adjustment arm. This bending adjustment arm does not have a pull rope.

[0034] In this embodiment, the release assembly includes a release slider 19 and a release rope 20. The release slider 19 is slidably disposed at the rear end of the handle 100. One end of the release rope 20 is connected to the release slider 19, and the other end of the release rope 20 is connected to the ear clip fixing line 3. The release rope 20 can be a nickel-titanium wire. In this embodiment, the release rope 20 is an independent release rope 20. The middle part of the release rope 20 is wound around the release slider 19. The two ends of the release slider 19 are respectively connected to the ear clip fixing line 3 on the first clamp arm 1 and the ear clip fixing line 3 on the second clamp arm 2, so that when the release slider 19 is moved again, the ear clip fixing line 3 can be pulled out by pulling the release rope 20 to detach it from the ear clip body 300. Specifically, with the cooperation of the aforementioned opening and closing components, the first bending component, and the second bending component, after the atrial appendage clamp body 300 opens, the clamp arm swings to the required angle by adjusting the first bending push button 13 and the second bending push button 16, so that the atrial appendage clamp body 300 is delivered to the root position of the left atrial appendage. Then, the release component is further controlled to push the release sliding member 19 upward to drive the release rope 20. The release rope 20 pulls the atrial appendage clamp fixing line 3, so that the atrial appendage clamp fixing line 3 is separated from the atrial appendage clamp body 300, the first clamp arm 1, and the second clamp arm 2, thereby releasing and closing the atrial appendage clamp body 300. Example 2

[0035] The difference between Embodiment 2 and Embodiment 1 of this application is as follows: Preferably, the tensioning and closing assembly includes a double-layer wheel 400, a connecting shaft 4, a tensioning and closing push button 5, and an independent tensioning and closing rope. The tensioning and closing push button 5 is movably mounted on the handle 100. One end of the connecting shaft 4 is connected to the handle 100. The double-layer wheel 400 is rotatably mounted on the other end of the connecting shaft 4. The two ends of the independent tensioning and closing rope are respectively connected to the rear end of the first clamping arm 1 and the rear end of the second clamping arm 2. The middle part of the independent tensioning and closing rope is connected to the tensioning and closing push button 5. The first clamping arm 1 and the second clamping arm 2 are slidably connected to both sides of the double-layer wheel 400. The two ends of the independent tensioning and closing rope are respectively located on both sides of the connecting shaft 4. Specifically, the independent tensioning and closing rope has the same function as the first closing rope 6 and the second closing rope 7 combined, which is equivalent to replacing the two tensioning and closing ropes (the first closing rope 6 and the second closing rope 7) with an independent tensioning and closing rope. Of course, the middle part of the independent tensioning and closing rope can be movably wound around the tensioning and closing push button 5, or it can be directly fixed to the tensioning and closing push button 5. Example 3

[0036] The difference between Embodiment 3 and Embodiment 1 is that the release rope 20 has two ropes, namely a first release rope and a second release rope. One end of the first release rope and one end of the second release rope are respectively connected to the release sliding member 19. The other end of the first release rope is connected to the cardiac ear clamp fixing line 3 on the first clamp arm 1, and the other end of the second release rope is connected to the cardiac ear clamp fixing line 3 on the second clamp arm 2. Specifically, with this configuration, the cardiac ear clamp fixing lines 3 on the first clamp arm 1 and the second clamp arm 2 can be pulled out simultaneously, thereby releasing and closing the cardiac ear clamp body 300.

[0037] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present invention without departing from the scope of the present invention are within the scope of the present invention.

Claims

1. A cardiac auricle clip delivery system, characterized in that: The device includes an adjusting actuator and a cardiac ear clamp fixing assembly. The adjusting actuator includes a handle and a first bending assembly, a second bending assembly, a closing assembly, and a releasing assembly, all movably mounted on the handle. The cardiac ear clamp fixing assembly includes a first clamp arm and a second clamp arm facing each other. The front end of the first clamp arm and the front end of the second clamp arm are used to mount the cardiac ear clamp body, and a cardiac ear clamp fixing line connects the front end of the first clamp arm and the front end of the second clamp arm. The first clamp arm and the second clamp arm are movably mounted on the front end of the handle. The closing assembly is used to drive the first clamp arm and the second clamp arm to move so that they open relative to each other, thereby opening the cardiac ear clamp body. The front end of the first clamp arm and the front end of the second clamp arm are movably connected. The first bending assembly is used to drive the first clamp arm and the second clamp arm to bend synchronously to the left, and the second bending assembly is used to drive the first clamp arm and the second clamp arm to bend synchronously to the right. The releasing assembly is used to drive the first clamp arm and the second clamp arm to disengage from the cardiac ear clamp body, thereby releasing and closing the cardiac ear clamp body.

2. The aortic clip delivery system according to claim 1, characterized in that: The tensioning and closing assembly includes a double-layer wheel, a connecting shaft, a tensioning and closing push button, a first tensioning and closing rope, and a second tensioning and closing rope. The tensioning and closing push button is movably mounted on the handle. One end of the connecting shaft is connected to the handle, and the double-layer wheel is rotatably mounted on the other end of the connecting shaft. One end of the first tensioning and closing rope and one end of the second tensioning and closing rope are respectively connected to the tensioning and closing push button. The other end of the first tensioning and closing rope is connected to the rear end of the first clamp arm, and the other end of the second tensioning and closing rope is connected to the rear end of the second clamp arm. The first clamp arm and the second clamp arm are slidably connected to both sides of the double-layer wheel. The first tensioning and closing rope and the second tensioning and closing rope are respectively located on both sides of the connecting shaft and are arranged along the axial direction of the connecting shaft.

3. The aortic clip delivery system according to claim 1, characterized in that: The tensioning and closing assembly includes a double-layer wheel, a connecting shaft, a tensioning and closing push button, and an independent tensioning and closing rope. The tensioning and closing push button is movably mounted on the handle. One end of the connecting shaft is connected to the handle. The double-layer wheel is rotatably mounted on the other end of the connecting shaft. The two ends of the independent tensioning and closing rope are respectively connected to the rear ends of the first clamp arm and the second clamp arm. The middle part of the independent tensioning and closing rope is connected to the tensioning and closing push button. The first clamp arm and the second clamp arm are slidably connected to both sides of the double-layer wheel. The two ends of the independent tensioning and closing rope are located on both sides of the connecting shaft.

4. A cardiac auricle clip delivery system according to claim 2 or 3, characterized in that: The double-layer wheel includes a first wheel body and a second wheel body, which are arranged facing each other. The first wheel body and the second wheel body are respectively rotatably mounted on the other end of the connecting shaft. A first guide rail groove is provided on the side of the first clamp arm near the first wheel body, and the first guide rail groove is slidably connected to the first wheel body. A second guide rail groove is provided on the side of the second clamp arm near the second wheel body, and the second guide rail groove is slidably connected to the second wheel body. The first guide rail groove and the second guide rail groove are respectively symmetrically inclined.

5. A cardiac auricle clip delivery system according to claim 2 or 3, characterized in that: The handle is provided with a tensioning and closing limiting groove, and the tensioning and closing push button is movably disposed within the tensioning and closing limiting groove.

6. The aortic clip delivery system according to claim 1, characterized in that: The first bending assembly includes a first bending push button and a first bending arm. The first bending push button is movably mounted on the handle. One end of the first bending arm is connected to the first bending push button, and the other end of the first bending arm is used to slide against the first clamp arm to drive the first clamp arm to bend to the left. The first bending arm is provided with a first inclined surface that slides against the first clamp arm.

7. The aortic clip delivery system according to claim 6, characterized in that: The handle is provided with a first bending limit groove, and the first bending push button is movably disposed in the first bending limit groove.

8. The aortic clip delivery system according to claim 1, characterized in that: The second bending assembly includes a second bending push button and a second bending arm. The second bending push button is movably mounted on the handle. One end of the second bending arm is connected to the second bending push button, and the other end of the second bending arm is used to slide against the second clamp arm to drive the second clamp arm to bend to the left. The second bending arm is provided with a second inclined surface that slides against the second clamp arm.

9. The aortic clip delivery system according to claim 8, characterized in that: The handle is provided with a second bending limit groove, and the second bending push button is movably disposed in the second bending limit groove.

10. The aortic clip delivery system according to claim 1, characterized in that: The release assembly includes a release slider and a release rope. The release slider is slidably disposed at the rear end of the handle. One end of the release rope is connected to the release slider, and the other end of the release rope is connected to the ear clip fixing line.

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