A pulsed electric field ablation clamp suitable for surgical atrial fibrillation ablation

Abstract

The application discloses a pulse electric field ablation clamp suitable for surgical atrial fibrillation ablation, which comprises a clamp body, the clamp body comprises a moving clamp, a rotating clamp and a base, the rotating clamp is rotationally connected to the base, the moving clamp comprises a first clamp jaw part and a mounting part, the bottom of the mounting part is assembled with the top end of the clamp base, a through sliding groove is formed in the bottom surface of the mounting part, a convex base is arranged on the top of the clamp base, a notch step is formed in the inner side surface of the convex base, the convex base is slidably inserted into the sliding groove, the convex base, the sliding groove and the notch step on the side surface of the convex base form a communication cavity, an adjusting rod is arranged in the sliding groove, a through hole is arranged on the base and faces the communication cavity, and an adjusting assembly is arranged to be fixed with the adjusting rod and to penetrate through the through hole; the moving clamp and the rotating clamp are respectively adjusted in length and rotation angle by the gap adjusting assembly and the bending adjusting assembly, the electrode part of the ablation clamp can be more close to the myocardial tissue in a larger area, and a faster ablation speed is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a pulse electric field ablation suitable for full-scene surgical atrial fibrillation ablation. BACKGROUND

[0002] The pulse electric field ablation has shown practical value in temporary application. The myocardial ablation by high-voltage electric pulse has been verified in effectiveness and safety, which can selectively ablate myocardial tissue, cause myocardial cell necrosis, and the myocardial tissue is not easy to collapse and scab and not easy to break the heart, and the high-selectivity ablation does not cause damage to the surrounding nerves, esophagus and arteriovenous, avoiding the complications of thermal ablation. At the same time, the pulse electric field ablation is time-saving, and the additional operation time required for surgical atrial fibrillation ablation can be controlled within 20 minutes, which can effectively reduce myocardial ischemic injury, greatly reduce the probability of complications such as postoperative heart failure, low cardiac output syndrome and severe atrioventricular block, and greatly improve the efficiency, safety and economy.

[0003] In the surgical double atrial maze atrial fibrillation ablation surgery, the ablation clamp is used to connect the pulse electric field ablation instrument to perform left atrial pulmonary vein isolation, superior and inferior vena cava connection, right atrial appendage tricuspid annulus connection, right atrial appendage superior vena cava connection, and right atrial roof inferior vena cava connection ablation; in the surgical left atrial side small maze atrial fibrillation ablation surgery, the ablation clamp is used for left atrial side operation; in the surgical thoracoscope atrial fibrillation ablation surgery, the ablation clamp is used to connect the pulse electric field instrument to expose the left and right pulmonary veins through the thoracoscope and perform pulmonary vein isolation; the new energy platform of pulse electric field can achieve safer and more efficient ablation effect.

[0004] The existing ablation clamp can only control the opening angle of the clamp when ablation is performed on the heart, which is not conducive to controlling the size of the ablation area, or realizing the matching of the tricuspid valve of the heart and the surgical double atrial maze. Therefore, the relative gap distance between the ablation clamp is not controlled, and the ablation for different myocardial thicknesses is matched, and the scar and damage in the ablation process are avoided. SUMMARY

[0005] To solve the above technical problems, the present application provides an ablation clamp with adjustable relative gap distance between the clamp and suitable for full-scene surgical atrial fibrillation.

[0006] The present application adopts the following technical solutions:

[0007] The utility model provides a kind of pulsed electric field ablation clamp suitable for surgical atrial fibrillation, including clamp body, the clamp body includes moving clamp, rotating clamp and pedestal, rotating clamp is rotationally connected on pedestal, the moving clamp includes first clamp jaw and mounting portion, mounting portion bottom is assembled with the top end of pedestal, through slide groove is opened in mounting portion bottom surface, pedestal top is equipped with boss, the inner side of boss forms gap step, boss is slidably inserted in the inside of slide groove, boss, slide groove and the gap step of boss side surface form intercommunication cavity, adjusting rod is equipped in slide groove, and through hole is equipped on pedestal and is equipped with adjusting assembly fixed with adjusting rod and through hole.

[0008] As preferred, the boss is equipped with a limiting cylinder, and the top of the slide groove of the mounting portion is equipped with a cylindrical hole corresponding to the limiting cylinder.

[0009] As preferred, the slide groove is equipped with a connecting block on the inner side, and the adjusting rod is fixed on the moving clamp through the connecting block.

[0010] As preferred, the adjusting rod is equipped with an external thread or a limiting block fixed with the adjusting assembly.

[0011] As preferred, the adjusting assembly includes a clamp body and a connecting cylinder (2-4-1) arranged on the clamp body, the clamp body includes a fixing seat (2-3) and an adjusting seat (2-4), the fixing seat (2-3) is equipped with a connecting hole, the pedestal (2-5) is equipped with a corresponding internal thread hole (2-5-4), and the fixing seat (2-3) clamps and fixes the adjusting seat (2-4) on the pedestal (2-5); the inner side wall of the connecting cylinder on the adjusting seat (2-4) is equipped with an internal thread, the external thread (2-6-1) of the adjusting rod (2-6) is screwed with the connecting cylinder, and the through hole (2-5-3) is inserted and matched.

[0012] As preferred, the inner side wall of the connecting cylinder is equipped with a plurality of limiting slide grooves spaced in the axial direction, and the limiting block of the adjusting rod is fixedly matched.

[0013] As preferred, the connecting cylinder is equipped with an external thread, the through hole is equipped with an internal thread, and the connecting cylinder is threadedly connected with the through hole.

[0014] As preferred, the adjusting gap between the adjusting rod and the adjusting assembly is up and down, so that the gap adjustment range of the moving clamp and the rotating clamp is 2-10 mm.

[0015] As preferred, the first clamp jaw portion of the moving clamp is equipped with a gap retaining block extending to the rotating clamp.

[0016] As preferred, the height of the gap retaining block is 0.8 mm-3.5 mm.

[0017] As preferred, the convex base is adjacent to the concave clamping groove with an axle hole, the rotating clamping root comprises a rotating part and a second threading hole, the rotating part is provided with an axle hole and is matched with the axle hole of the concave clamping groove through a rotating pin to rotate; the second threading hole is provided with a connecting hole for fixing the steel wire rope, and the other end of the steel wire rope is communicated to the handle.

[0018] As preferred, the handle is further provided with an action end, a handle and a tail wire connected in sequence, the action end comprises a clamping body and a metal hose connected to the tail end of the clamping body; the metal hose is communicated with the rotating clamping through the steel wire rope, and the handle is provided with a locking assembly and a bending adjusting assembly for limiting the rotating clamping.

[0019] As preferred, the bending adjusting assembly comprises a rotating handle, a rotating shaft, a sliding block, a rotating shaft pin, a sliding block pin, a copper sleeve terminal and a steel wire rope arranged in sequence in the handle, the handle comprises a handle upper cover and a handle lower cover, the rotating handle is fixed on the rotating shaft holes of the handle upper cover and the handle lower cover through the rotating shaft, one end of the steel wire rope is fixed in the sliding block through the copper sleeve terminal, the other end of the steel wire rope is threaded out of the handle upper cover, the sliding block and the rotating shaft are rotatably fixed through the sliding block pin, and the rotating shaft and the rotating handle are rotatably fixed through the rotating shaft pin.

[0020] As preferred, one end of the steel wire rope is threaded out of the handle upper cover and connected with the rotating clamping.

[0021] As preferred, the locking assembly comprises a catch pin assembly fixedly connected to the catch pin hole arranged on the rotating handle, and the catch pin assembly comprises a catch pin cover, a catch pin spring, a catch pin rod, a release pin rod and a release pin cover.

[0022] As preferred, the handle comprises an open end at one end, the open end is provided with a fixing member, the fixing member is connected with the metal hose, and the rotating clamping is fixed on the base through the rotating pin and the torsional spring.

[0023] As preferred, the convex base is adjacent to the concave clamping groove with an axle hole, the rotating clamping root comprises a rotating part, the rotating part is rotatably matched with the threading hole at one end of the steel wire rope and located at the top of the pin shaft hole and the steel wire rope through the rotating pin, the second pin shaft hole, the axle hole and the torsional spring.

[0024] As preferred, the rotating clamping and the moving clamping are respectively provided with a first electrode and a second electrode on the opposite side, the tail end of the first electrode and the second electrode is provided with an electrode connecting wire, the second electrode passes through the fixed base through the electrode connecting wire and the second threading hole, and the first electrode is connected with the metal hose, the tail wire terminal located at the head end of the tail wire and the tail wire through the first threading hole and the sliding groove at the tail end.

[0025] Compared with the prior art, the present application has the following advantages:

[0026] 1. The working end of the application is respectively provided with two kinds of clamping bodies, the length of the moving clamps and the rotating clamps is adjusted by the gap adjusting assembly and the bending adjusting assembly, and the angle of rotation is adjusted, so that the electrode part of the ablation clamp can be close to the myocardial tissue in a larger area, and a faster ablation speed is realized.

[0027] 2. The handle of the ablation clamp is provided with a locking assembly for locking the ablation clamp after the ablation clamp is clamped after the bending degree is adjusted, so that the ablation clamp can be locked after being limited, and displacement of the ablation clamp during ablation is prevented.

[0028] 3. The ablation clamp has a shapeable neck portion, the direction of the electrode portion can be adjusted at will, the bending adjusting assembly is arranged in the handle, and a steel wire rope connected at one end with the bending adjusting assembly and at the other end with the clamping body is arranged in the metal hose, so that the ablation clamp body can be accurately bent.

[0029] 4. The bending adjusting assembly is designed to be precise and complex, and can well fix the moving clamps and the rotating clamps. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic diagram of the application.

[0031] Figure 2 is a structural schematic diagram of the upper end of the clamping body of the application.

[0032] Figure 3 is a structural schematic diagram of the lower end of the clamping body of the application.

[0033] Figure 4 is a structural schematic diagram of the upper cover of the handle of the application.

[0034] Figure 5 is a structural schematic diagram of the lower cover of the handle of the application.

[0035] Figure 6 is a structural schematic diagram of the head end of the application.

[0036] Figure 7 is an exploded view of the working end structure of the application.

[0037] Figure 8 is a structural schematic diagram of the handle of the application.

[0038] Figure 9 is a structural schematic diagram of the locking assembly of the application.

[0039] Figure 10 is a structural schematic diagram of another embodiment of the application.

[0040] IN THE DRAWINGS:

[0041] Handle 1, Handle top cover 1-1, Movable groove 1-1-1, Locking pin hole 1-1-2, Pin hole 1-1-3, Rotating handle 1-2, Rotating shaft 1-2-1, Locking pin hole 1-2-2, Rotating shaft component 1-3, Sliding bar 1-4, Rotating shaft pin 1-5, Sliding pin 1-6, Copper sleeve terminal 1-7, Locking pin assembly 1-8, Locking pin cover 1-8-1, Locking pin spring 1-8-2, Locking pin rod 1-8-3, Retracting pin rod 1-8-4, Retracting pin cover 1-8-5, Steel wire rope 1-9, Handle bottom cover 1-10, Tail wire terminal 1-11;

[0042] 2. Functional end, 2-1. Fixing component, 2-2. Metal flexible hose, 2-3. Fixing seat, 2-4. Rotating seat, 2-4-1. Connecting cylinder, 2-5. Base, 2-5-1. Thrust, 2-5-2. Notch step, 2-5-2. Through hole, 2-5-3. Internal thread hole, 2-5-4. Shaft hole, 2-5-5. Adjusting rod, 2-6. External thread, 2-6-1. Limiting block, 2-6-2. Fixing pin, 2-7. Moving clamp, 2-8. First wire hole, 2-8-2. First pin hole, 2-8-2. Slide groove, 2-8-3. First electrode, 2-9. Second electrode, 2-10. Rotating clamp, 2-11. Second pin hole, 2-11-1. Second wire hole, 2-11-2. Wire hole, 2-11-3. Torsion spring, 2-12. Rotating pin, 2-13. Electrode connecting wire, 2-14.

[0043] Tail line 3. Detailed Implementation

[0044] To facilitate understanding of the technical solution of the present invention, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments.

[0045] Example 1:

[0046] like Figures 1-9 As shown, this invention discloses a pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation, comprising a clip body, the clip body including a movable clip 2-8, a rotating clip 2-11 and a base 2-5, the rotating clip 2-11 being rotatably connected to the base 2-5, the movable clip 2-8 including a first clamping part and a mounting part, the bottom of the mounting part being assembled with the top of the base 2-5, the bottom surface of the mounting part having a through groove 2-8-3, the top of the base 2-5 having a boss 2-5-1, the inner side of the boss having a notch step 2-5-2, the boss being slidably inserted into the groove, the boss, the groove 2-8-3 and the notch step on the side of the boss forming a connecting cavity, the groove 2-8-3 having an adjusting rod 2-6 inside the groove 2-8-3, the base 2-5 having a through hole 2-5-3 facing the connecting cavity, and an adjusting assembly for fixing the through hole 2-5-3 and the adjusting rod (2-6).

[0047] The protrusion 2-5-1 is provided with a limiting cylinder, and the top of the mounting groove 2-8-3 is provided with a cylindrical hole that corresponds to and cooperates with the limiting cylinder.

[0048] The sliding groove 2-8-3 is provided with a connecting block on the inner side, and the adjusting rod 2-6 is connected to the connecting block through the top lifting ring.

[0049] The adjusting rod 2-6 is provided with an adjusting assembly with external threads 2-6-1 fixed to the adjusting assembly; the adjusting assembly includes a clamping body clamping the base on the moving clamp mounting portion and a connecting cylinder provided on the clamping body, and the inner side wall of the connecting cylinder is provided with internal threads, and the external threads of the connecting cylinder are screwed with the through hole for insertion and fixation.

[0050] The clamping body includes a fixed seat 2-3 and an adjusting seat 2-4, the fixed seat 2-3 is provided with a connecting hole, and the base 2-5 is provided with a corresponding internal screw hole 2-5-4, and the fixed seat 2-3 clamps and fixes the adjusting seat 2-4 on the base 2-5.

[0051] The adjusting rod 2-6 and the adjusting assembly adjust the gap up and down, so that the gap adjusting range of the moving clamp 2-8 and the rotating clamp 2-11 is 2-10mm.

[0052] The first clamp portion of the moving clamp 2-8 is provided with a gap retaining block extending to the rotating clamp 2-11.

[0053] The height of the gap retaining block is 0.8mm-3.5mm.

[0054] The convex seat is provided with a concave clamp groove with an axle hole 2-5-5 adjacent to it, the root of the rotating clamp 2-11 includes a rotating part 2-11-1 and a second threading hole 2-11-2, the rotating part 2-11-1 is provided with an axle hole and is matched with the axle hole of the concave clamp groove through a rotating pin 2-13; the second threading hole 2-11-2 is provided with a connecting hole fixed with the steel wire rope 1-9, and the other end of the steel wire rope is connected to the handle.

[0055] The ablation clamp further includes an action end 2, a handle 1 and a tail wire 3 connected in sequence, the action end 2 includes a clamping body and a metal hose 2-2 connected to the tail end of the clamping body; the opening on the second threading hole 2-11-2 is connected with the steel wire rope 1-9, and the other end of the steel wire rope 1-9 passes through the metal hose 2-2 to connect the locking assembly and the bending assembly on the handle for limiting the rotating clamp 2-11.

[0056] The bending assembly includes a rotating handle 1-2, a rotating shaft 1-3, a slider strip 1-4, a rotating shaft pin 1-5, a slider pin 1-6, a copper sleeve terminal 1-7 and a steel wire 1-9 arranged in sequence inside the handle 1, the handle includes a handle upper cover 1-1 and a handle lower cover 1-10, the rotating handle 1-2 is rotationally fixed on the rotating shaft hole 1-1-3 of the handle upper cover and the handle lower cover through a rotating shaft 1-2-1, one end of the steel wire 1-11 is fixed inside the slider strip 1-4 through the copper sleeve terminal 1-7, and the other end passes out of the handle upper cover 1-1, the slider strip 1-4 is rotationally fixed with the rotating shaft 1-3 through the slider pin 1-6, and the rotating shaft 1-3 is rotationally fixed with the rotating handle 1-2 through the rotating shaft pin 1-5.

[0057] One end of the steel wire 1-11 passes out of the handle upper cover 1-1 and is connected with the rotating clamp.

[0058] The locking assembly includes a catch assembly 1-8 provided with a catch hole 1-2-2 fixedly connected to the rotating handle 1-2, and the catch assembly 1-8 includes a catch cover 1-8-1, a catch spring 1-8-2, a catch rod 1-8-3, a release rod 1-8-4 and a release cover 1-8-5.

[0059] The handle 1 includes an open end at one end, the open end is provided with a fixing member 2-1, the fixing member 2-1 is connected with a metal hose 2-2, and the rotating clamp 2-11 is fixed on the base 2-5 through a rotating pin 2-13, a torsional spring 2-12 and a second pin shaft hole 2-11-1 at the bottom end of the rotating clamp.

[0060] The convex seat is provided with a concave clamp groove with an axle hole 2-5-5 adjacent to the convex seat, the rotating clamp 2-11 is provided with a rotating part at the root, the rotating part is rotationally matched with the steel wire 1-9 through a rotating pin 2-13, a second pin shaft hole 2-11-1, an axle hole 2-5-5, a torsional spring, a threading hole 2-11-3 at one end of the steel wire and located at the top of the pin shaft hole and the steel wire 1-9.

[0061] The rotating clamp 2-11 and the moving clamp 2-8 are provided with a first electrode 2-9 and a second electrode 2-10 respectively on the opposite sides, the first electrode and the second electrode are provided with an electrode connecting wire 2-14 at the tail end, the second electrode 2-10 passes through the fixing seat 2-3 through the electrode connecting wire 2-14 and a second threading hole 2-11-2, and the first electrode 2-9 is connected with the metal hose 2-2, a tail wire terminal 1-11 at the head end of a tail wire 3 and the tail wire 3 through a first threading hole 2-8-1 at the tail end and a sliding groove 2-8-3.

[0062] Embodiment 2:

[0063] As Figure 10As shown, the adjusting assembly includes a clamping body clamping the base 2-5 on the moving clamp 2-8 mounting part, and a connecting cylinder 2-4-1 provided on the clamping body, which is fixed with the adjusting rod 2-6 through the through hole 2-5-3; an axial plurality of spaced limiting sliding grooves are provided on the inner wall of the connecting cylinder, and are fixedly matched with the limiting block 2-6-2 of the adjusting rod 2-6, the limiting sliding grooves are matched with the connecting block provided on the outer wall of the adjusting rod 2-6, the connecting block is a fixed protrusion, and the connecting block is circular or rectangular; the adjusting rod 2-6 is directly buckled with the connecting block through the lifting ring on the top. The rest is the same as example 1.

[0064] The metal hose of the present application adopts a metal shaped hose, and a doctor can manually adjust the bending shape according to the specific tissue structure position to adapt to various surgical conditions. The length of the lifting ring screw is set in advance to control the extension length of the moving clamp; the compression rotating handle drives the rotating shaft to perform circular motion through the fixing of the rotating shaft pin, the rotating shaft drives the sliding block to move forward and backward in the movable slot of the handle cover and the movable slot of the handle cover under the cooperation of the sliding block pin, the copper sleeve terminal is fixed, the steel wire rope is pulled, the steel wire rope is fixed on the rotating clamp through the fixing piece and the metal hose, then the rotating clamp is driven to perform circular motion, and then the moving clamp and the torsional spring are limited, after the ablation tissue is clamped, the catch pin cover is pressed to drive the catch pin rod to penetrate into the catch pin hole of the rotating handle to be locked, the handle of the ablation clamp of the present application is provided with a locking assembly after the ablation clamp is adjusted to clamp, the locking assembly can lock the ablation clamp after limiting, prevents the ablation clamp from being displaced during ablation, and the catch pin spring can be reset by pressing the catch pin cover.

[0065] The above is only the preferred embodiment of the present application, and the protection scope of the present application is limited by the claims, and several improvements and decorations made by those skilled in the art without departing from the spirit and scope of the present application should also be regarded as the protection scope of the present application.

Claims

1. A pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation, comprising a clip body, said clip body including a movable clip (2-8), a rotating clip (2-11), and a base (2-5), wherein the rotating clip (2-11) is rotatably connected to the base (2-5), characterized in that, The movable clamp (2-8) includes a first clamping part and a mounting part. The bottom of the mounting part is assembled with the top of the base (2-5). A through groove (2-8-3) is opened on the bottom surface of the mounting part. The top of the base (2-5) is provided with a boss (2-5-1). A notch step (2-5-2) is formed on the inner side of the boss. The boss is slidably inserted into the groove. The boss, the groove (2-8-3) and the notch step on the side of the boss form a connecting cavity. An adjusting rod (2-6) is provided in the groove (2-8-3). The base (2-5) is provided with a through hole (2-5-3) facing the connecting cavity and an adjusting assembly that passes through the through hole (2-5-3) and the adjusting rod (2-6). The boss (2-5-1) is provided with a limiting cylinder. The top of the groove (2-8-3) is provided with a cylindrical hole that corresponds to and cooperates with the limiting cylinder. A connecting block is provided on the inner side of the slide (2-8-3), and the adjusting rod (2-6) is connected to the connecting block through the top hanging ring.

2. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 1, characterized in that, The adjusting rod (2-6) is provided with an adjusting component that is fixed to the adjusting assembly by an external thread (2-6-1) or a limiting block (2-6-2).

3. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 2, characterized in that, The adjustment assembly includes a clamp and a connecting cylinder (2-4-1) disposed on the clamp. The clamp includes a fixed seat (2-3) and an adjusting seat (2-4). The fixed seat (2-3) is provided with a connecting hole, and the base (2-5) is provided with a corresponding internal thread hole (2-5-4). The fixed seat (2-3) clamps and fixes the adjusting seat (2-4) on the base (2-5). The inner wall of the connecting cylinder on the adjusting seat (2-4) is provided with an internal thread, and the external thread (2-6-1) of the connecting cylinder screwed to the adjusting rod (2-6) is inserted and fitted through the through hole (2-5-3) with a gap.

4. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 3, characterized in that, The inner wall of the connecting cylinder (2-4-1) is provided with several axially spaced limiting grooves, which are fixedly engaged with the limiting block (2-6-2) of the adjusting rod (2-6).

5. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 1, characterized in that, The adjustment rod (2-6) and the adjustment assembly are adjusted up and down to make the gap between the moving clamp (2-8) and the rotating clamp (2-11) adjustable within a range of 2-10mm.

6. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 1, characterized in that, The moving clamp (2-8) has a gap retaining block extending toward the rotating clamp (2-11) at the root of the first clamping part.

7. A pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation according to claim 6, characterized in that, The height of the gap retaining block is 0.8mm-3.5mm.

8. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 1, characterized in that, It also includes an action end (2), a handle (1) and a tail line (3) connected in sequence. The action end (2) includes a metal hose (2-2) connected to the tail end of the clamp body. A steel wire rope (1-9) is passed through the metal hose (2-2) and communicates with the rotating clamp. The handle is provided with a locking component and a bending component for limiting the rotating clamp (2-11).

9. A pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation according to claim 8, characterized in that, The bending assembly includes a rotating handle (1-2), a rotating shaft (1-3), a slider (1-4), a rotating shaft pin (1-5), a slider pin (1-6), a copper sleeve terminal (1-7), and a steel wire rope (1-9) arranged sequentially inside the handle (1). The handle includes a handle upper cover (1-1) and a handle lower cover (1-10). The rotating handle (1-2) is rotatably fixed to the rotating shaft hole (1-1-3) of the handle upper cover and the handle lower cover by a rotating shaft (1-2-1). One end of the steel wire rope (1-9) is fixed inside the slider (1-4) by a copper sleeve terminal (1-7), and the other end passes through the handle upper cover (1-1). The slider (1-4) and the rotating shaft (1-3) are rotatably fixed by the slider pin (1-6), and the rotating shaft (1-3) and the rotating handle (1-2) are rotatably fixed by the rotating shaft pin (1-5).

10. A pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation according to claim 8, characterized in that, The locking assembly includes a locking pin assembly (1-8) fixedly connected to a locking pin hole (1-2-2) provided on the rotating handle (1-2). The locking pin assembly (1-8) includes a locking pin cover (1-8-1), a locking pin spring (1-8-2), a locking pin rod (1-8-3), a release pin rod (1-8-4), and a release pin cover (1-8-5).

11. A pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation according to claim 8, characterized in that, The handle (1) includes an open end at one end, and a fixing member (2-1) is provided at the open end. The fixing member (2-1) is connected to a metal hose (2-2). The rotating clamp (2-11) is fixed to the base (2-5) by a rotating pin (2-13), a torsion spring (2-12) and a second pin hole (2-11-1) at the bottom of the rotating clamp.

12. The pulsed electric field ablation clip for surgical atrial fibrillation ablation according to claim 11, characterized in that, The protrusion is provided with a concave clamping groove with a shaft hole (2-5-5) adjacent to it. The root of the rotating clamp (2-11) is provided with a rotating part. The rotating part rotates through the rotating pin (2-13), the second pin hole (2-11-1), the shaft hole (2-5-5), the torsion spring, the wire hole (2-11-3) connected to one end of the wire rope and located at the top of the pin hole, and the wire rope (1-9).

13. A pulsed electric field ablation clip suitable for surgical atrial fibrillation ablation according to claim 3 or 8, characterized in that, The rotating clamp (2-11) and the moving clamp (2-8) are respectively provided with a first electrode (2-9) and a second electrode (2-10) on the opposite side. The first electrode and the second electrode are provided with an electrode connecting line (2-14) at their tail ends. The second electrode (2-10) passes through the fixed base (2-3) through the electrode connecting line (2-14) and the second through hole (2-11-2). The first electrode (2-9) is connected to the metal hose (2-2), the tail wire terminal (1-11) located at the head end of the tail wire (3), and the tail wire (3) through the first through hole (2-8-1) and the slide groove (2-8-3) at its tail end.

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