Vascular incision stitching instrument

Abstract

The invention relates to the technical field of blood vessel suturing, and discloses a blood vessel incision suturing instrument which comprises a control bin body and a blood vessel wall, a supporting column body is arranged on the outer side of the control bin body, and a shuttle hook mechanism is arranged at the bottom of the supporting column body; according to the vascular incision stitching instrument, the threading needle directly penetrates into the interior of a vascular wall up and down, so that the threading needle brings a suture line into the interior of the vascular wall, and then the swinging shuttle is matched to hook the suture line, so that the suture line forms a knot ring in the interior of the vascular wall, and when the threading needle carries the suture line to penetrate into the interior of the vascular wall for the second time, the suture line can be inserted into the vascular wall. When the main pull wire is pulled again, the main pull wire is inserted into the former group of knot rings to form a penetrating knot state, and the swing shuttle loosens the former group of knot rings due to inertia and hooks the suture line brought in by the threading needle along with re-pulling of the main pull wire, so that a circulating slipknot structure is formed, and the structural design of rotating knotting of an existing structure is optimized; the suturing efficiency of an existing suturing device is improved, and the suturing difficulty is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of blood vessel suturing, and more particularly to a suturing device for blood vessel incisions. Background Art

[0002] Vascular suturing devices are surgical instruments used in interventional surgery and suturing of vascular ends. They are popular among major medical institutions due to their significant hemostatic effects, excellent suturing effects, easy operation, few side effects, saving surgical costs and surgeon physical strength, and improving surgical efficiency. They are now widely used in the field of surgical vascular interventional surgery and suturing of vascular ends.

[0003] The needle used in the existing vascular suture device is usually a hook needle structure. After the hook needle is inserted into the blood vessel, it is rotated to pass the suture thread through. The diameter of the blood vessel itself is small, and the hook needle mechanism requires a large space for operation, which brings great difficulty to suturing. In order to improve the effect and efficiency of suturing, the structure of the existing suture device needs to be optimized. Summary of the invention

[0004] The invention provides a vascular incision suturing device, which solves the technical problem that a large operating space is required for the rotation of a hook needle during the vascular suturing process of the vascular suturing device in the related art.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions:

[0006] A suture device for blood vessel incisions, comprising a control chamber and a blood vessel wall, wherein a support column is arranged outside the control chamber, a shuttle mechanism is arranged at the bottom of the support column, a threading needle is arranged at the bottom of the control chamber, a suture thread is threaded at the bottom of the threading needle, the threading needle is located at the top of the blood vessel wall, and the shuttle mechanism is located at the bottom of the blood vessel wall;

[0007] The control chamber is provided with a pushing and piercing mechanism inside, and the piercing needle is installed at the bottom of the pushing and piercing mechanism, and the piercing needle is used to pierce the blood vessel wall and introduce the suture into the bottom of the blood vessel wall;

[0008] A main traction line connected to the shuttle mechanism is arranged inside the support column, and the other end of the main traction line is connected to the push-threading mechanism. The main traction line is used to drive the shuttle mechanism to swing and move, and hook the suture introduced by the threading needle to form a loop;

[0009] A suction cup mechanism is arranged on one side of the shuttle mechanism, and the suction cup mechanism is used to absorb and position the inner wall of the blood vessel wall, and the shuttle mechanism and the suction cup mechanism are synchronously linked.

[0010] As a further optimization scheme of the present invention, two groups of side support plates are symmetrically arranged on one side of the bottom of the support column, and the swing shuttle mechanism includes a support barrel, which is arranged on the side where the two groups of side support plates are close to each other and is fastened to one group of side support plates, and one side of the support barrel is rotatably connected with a swing shuttle, and one side of the swing shuttle is provided with a support shaft extending to the interior of the support barrel, the support shaft is connected to the support barrel bearing, a torsion spring is sleeved on the outer side of the support shaft, and one end of the torsion spring is fixedly connected to the inner wall of the support barrel.

[0011] As a further optimization scheme of the present invention, the swing shuttle is an inverted "L" shaped structure, and the top hook of the swing shuttle swings back and forth toward the side away from the supporting column, the bottom of the swing shuttle is connected to one end of the main traction line, and the interior of the supporting column is provided with a lead hole from top to bottom, and the main traction line enters from the bottom of the lead hole and exits from the top to the interior of the control bin body.

[0012] As a further optimization scheme of the present invention, a top pressure plate is provided on the side of the support column close to the guide needle, and the top pressure plate is located directly below the guide needle. A perforation is provided on the top of the top pressure plate, and the bottom of the top pressure plate fits the top of the blood vessel wall. When the guide needle pierces the internal position of the blood vessel wall, the swing shuttle is located on one side of the guide needle, and the two are staggered with each other.

[0013] As a further optimization scheme of the present invention, the suction cup mechanism includes a mounting slot arranged on the inner side of another group of side support plates, a piston tube is engaged inside the mounting slot, a suction cup that is adsorbed to the inner wall of the blood vessel wall is arranged on the top of the piston tube, a piston plate is arranged inside the piston tube, a piston rod is arranged in the middle of the bottom of the piston plate, a traction rope is arranged at the bottom of the piston rod, and the other end of the traction rope is connected to the swing shuttle.

[0014] As a further optimization scheme of the present invention, a T-shaped limit rod is provided at the bottom of the mounting slot, the traction rope passes around the bottom of the T-shaped limit rod and is connected to the swing shuttle, support springs are provided on both sides of the bottom of the piston plate, and the bottom of the support spring is connected to the bottom of the piston tube.

[0015] As a further optimization scheme of the present invention, a support bar is arranged at a position of the support column close to one side of the top pressure plate, one end of the support bar is hinged with an arc-shaped pressure bar, the arc-shaped pressure bar is arc-shaped downward, and one end of the arc-shaped pressure bar is provided with an auxiliary traction line extending to the inside of the support column, the other end of the auxiliary traction line is connected to the main traction line, and the inside of the support column is provided with a through hole adapted to the auxiliary traction line.

[0016] As a further optimization scheme of the present invention, the pushing and threading mechanism includes a piston disc arranged inside the control warehouse body, and the piston disc slides up and down on the inner wall of the control warehouse body. A plurality of groups of ventilation holes are arranged at the upper and lower ends of the piston disc, and a push rod extending to the outside of the control warehouse body is arranged on the top of the piston disc, and a palm rest is arranged on the top of the push rod. One end of the main traction line extends to the interior of the control warehouse body and is interconnected with the top of the piston disc, and a support palm rest is symmetrically arranged on the outside of the control warehouse body.

[0017] As a further optimization scheme of the present invention, a mounting pillar is provided at the bottom of the piston disc, the top of the threading needle is fastened to the mounting pillar, a plurality of groups of limit frames are provided at the top of the outer side of the mounting pillar, a return spring fixedly connected to the inner wall of the control bin body is provided at the bottom of the limit frame, a limiting slider is provided at one end of the limit frame close to the inner wall of the control bin body, and a limiting groove corresponding to the limiting slider is provided on the inner wall of the control bin body.

[0018] As a further optimization scheme of the present invention, the bottom end of the main traction line and the swing shuttle are initially in a relaxed state. When the main traction line moves upward, the auxiliary traction line is driven to follow the displacement in real time. When the main traction line and the swing shuttle are in a taut state, the swing shuttle is driven to follow the swing displacement, so that the swing shuttle forms a state of lagging displacement.

[0019] The beneficial effects of the present invention are as follows: the present invention allows the threading needle to directly penetrate the interior of the blood vessel wall from top to bottom, so that the threading needle brings the suture into the interior of the blood vessel wall, and then cooperates with the swing shuttle to hook the suture, so that the suture forms a knot loop inside the blood vessel wall; when the threading needle penetrates the interior of the blood vessel wall with the suture for a second time, it is inserted into the interior of the previous group of knot loops, thereby forming a state of interlaced knots, and the swing shuttle loosens the previous group of knot loops due to inertia, and as the main traction line is pulled again, the suture brought in by the threading needle is hooked, thereby forming a circular slipknot structure, optimizing the structural design of the existing rotary knotting structure, improving the suturing efficiency of the existing suturing device, and reducing the difficulty of suturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the present invention in a sutured state;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 3 It is a schematic diagram of the overall structure of the support column in the present invention;

[0023] Figure 4 It is a cross-sectional view of the structure of the support column in the present invention;

[0024] Figure 5It is an enlarged schematic diagram of the connection structure between the threading needle and the shuttle mechanism in the present invention;

[0025] Figure 6 It is an enlarged schematic diagram of the connection structure between the shuttle mechanism, the arc-shaped pressure strip and the main traction line in the present invention;

[0026] Figure 7 It is an enlarged cross-sectional view of the internal structure of the shuttle mechanism in the present invention;

[0027] Figure 8 It is an enlarged schematic diagram of the internal structure of the control bin body in the present invention;

[0028] Fig. 9 yes Figure 8 A magnified schematic diagram of the structure of A;

[0029] Fig.10 It is an enlarged schematic diagram of the structure of the suction cup mechanism in the present invention;

[0030] Fig.11 It is an enlarged cross-sectional view of the structure of the suction cup mechanism in the present invention.

[0031] In the figure: 1. control chamber body; 2. support column; 3. support hand rest; 4. push rod; 5. palm rest; 6. threading needle; 7. arc pressure strip; 8. side support plate; 9. top pressure plate; 10. perforation; 11. support strip; 12. swing shuttle; 13. piston tube; 14. installation slot; 15. through hole; 16. guide hole; 17. main traction line; 18. auxiliary traction line; 19. support barrel; 20. traction rope; 21. torsion spring; 22. support shaft; 23. vent; 24. piston disc; 25. installation pillar; 26. reset spring; 27. limit frame; 28. limit slide groove; 29. ​​limit slide block; 30. T-shaped limit rod; 31. suction cup; 32. piston plate; 33. piston rod; 34. support spring; 35. blood vessel wall. DETAILED DESCRIPTION

[0032] The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that the discussion of these embodiments is only to enable those skilled in the art to better understand and implement the subject matter described herein, and the functions and arrangements of the elements discussed may be changed without departing from the scope of protection of the contents of this specification. Each example may omit, replace or add various processes or components as needed. In addition, the features described relative to some examples may also be combined in other examples.

[0033] Example 1

[0034] like Figures 1 to 11As shown, a vascular incision suturing device includes a control chamber 1 and a vascular wall 35, a support column 2 is arranged outside the control chamber 1, a shuttle mechanism is arranged at the bottom of the support column 2, a threading needle 6 is arranged at the bottom of the control chamber 1, a suture thread is threaded at the bottom of the threading needle 6, the threading needle 6 is located at the top of the vascular wall 35, and the shuttle mechanism is located at the bottom of the vascular wall 35;

[0035] Two groups of side support plates 8 are symmetrically arranged on one side of the bottom of the support column 2, and the shuttle mechanism includes a support barrel 19, which is arranged on the side where the two groups of side support plates 8 are close to each other and is tightly connected to one group of side support plates 8. A swing shuttle 12 is rotatably connected to one side of the support barrel 19, and a support shaft 22 extending to the inside of the support barrel 19 is arranged on one side of the swing shuttle 12. The support shaft 22 is connected to the bearing of the support barrel 19, and a torsion spring 21 is sleeved on the outer side of the support shaft 22, and one end of the torsion spring 21 is fixedly connected to the inner wall of the support barrel 19. The swing shuttle 12 is an inverted "L" shaped structure, and the top hook of the swing shuttle 12 is away from the support column. One side of the body 2 reciprocates, the bottom of the swing shuttle 12 is connected to one end of the main traction line 17, a guide hole 16 is provided from top to bottom inside the support column 2, the main traction line 17 passes through the bottom of the guide hole 16 and passes through the top to the inside of the control chamber 1, a top pressure plate 9 is provided on the side of the support column 2 close to the piercing needle 6, the top pressure plate 9 is located directly below the piercing needle 6, a perforation 10 is provided on the top of the top pressure plate 9, the bottom of the top pressure plate 9 fits the top of the blood vessel wall 35, when the piercing needle 6 pierces to the internal position of the blood vessel wall 35, the swing shuttle 12 is located on one side of the piercing needle 6, and the two are staggered with each other;

[0036] A main traction line 17 connected to the shuttle mechanism is arranged inside the support column 2, and the other end of the main traction line 17 is connected to the push threading mechanism. The main traction line 17 is used to drive the shuttle mechanism to swing and move, and hook the suture introduced by the threading needle 6 to form a loop;

[0037] A suction cup mechanism is provided on one side of the shuttle mechanism, and the suction cup mechanism is used to absorb and position the inner wall of the blood vessel wall 35, and the shuttle mechanism and the suction cup mechanism are synchronously linked.

[0038] The suction cup mechanism includes a mounting slot 14 arranged on the inner side of the other group of side support plates 8, a piston tube 13 is engaged inside the mounting slot 14, a suction cup 31 adsorbed to the inner wall of the blood vessel wall 35 is arranged on the top of the piston tube 13, a piston plate 32 is arranged inside the piston tube 13, a piston rod 33 is arranged in the middle of the bottom of the piston plate 32, a traction rope 20 is arranged at the bottom of the piston rod 33, the other end of the traction rope 20 is connected to the swing shuttle 12, a T-shaped limiting rod 30 is arranged at the bottom of the mounting slot 14, and the traction rope 20 passes around the bottom of the T-shaped limiting rod 30 and is connected to the swing shuttle 12. The swing shuttle 12 is connected, and support springs 34 are arranged on both sides of the bottom of the piston plate 32. The bottom of the support spring 34 is connected to the bottom of the piston tube 13. A support bar 11 is arranged at a position of the support column 2 near the top pressure plate 9. An arc-shaped pressure bar 7 is hinged at one end of the support bar 11. The arc-shaped pressure bar 7 is arc-shaped downward, and an auxiliary traction line 18 extending to the inside of the support column 2 is arranged at one end of the arc-shaped pressure bar 7. The other end of the auxiliary traction line 18 is connected to the main traction line 17. The inside of the support column 2 is provided with a through hole 15 adapted to the auxiliary traction line 18;

[0039] The control chamber body 1 is provided with a pushing and piercing mechanism inside, and the piercing needle 6 is installed at the bottom of the pushing and piercing mechanism. The piercing needle 6 is used to pierce the blood vessel wall 35 and introduce the suture into the bottom of the blood vessel wall 35. The pushing and piercing mechanism includes a piston disc 24 arranged inside the control chamber body 1, and the piston disc 24 slides up and down on the inner wall of the control chamber body 1. A plurality of groups of vent holes 23 are evenly distributed at the upper and lower ends of the piston disc 24. A push rod 4 extending to the outside of the control chamber body 1 is arranged on the top of the piston disc 24, and a palm rest 5 is arranged on the top of the push rod 4. One end of the main traction line 17 extends to the inside of the control chamber body 1 and is connected to the top of the piston disc 24. A support hand rest 3 is symmetrically arranged on the outside of the control chamber body 1, and a bottom of the piston disc 24 is arranged There is an installation pillar 25, the top of the threading needle 6 is tightly connected to the installation pillar 25, and a plurality of groups of limit frames 27 are arranged on the top of the outer side of the installation pillar 25. The bottom of the limit frame 27 is provided with a return spring 26 fixedly connected to the inner wall of the control bin body 1, and the limit frame 27 is provided with a limit slider 29 at one end close to the inner wall of the control bin body 1. The inner wall of the control bin body 1 is provided with a limit slide groove 28 corresponding to the limit slider 29. The bottom end of the main traction line 17 and the swing shuttle 12 are initially in a relaxed state. When the main traction line 17 moves upward, the auxiliary traction line 18 is driven to follow the displacement in real time. When the main traction line 17 and the swing shuttle 12 are in a taut state, the swing shuttle 12 is driven to follow the swing displacement, so that the swing shuttle 12 forms a state of lagging displacement.

[0040] The use process of the vascular incision suturing device proposed in this embodiment is as follows. When the suturing device is used, the suture thread is inserted into the bottom of the insertion needle 6, and then the entire chamber body 1 is controlled by hand, so that the bottom of the support column 2 carrying the side support plate 8 is inserted into the interior of the blood vessel wall 35 as a whole;

[0041] Furthermore, by hooking the two groups of support palm rests 3 with fingers, the palm rests 5 are squeezed by the palms to form an injection posture, and the push rod 4 is squeezed, and the piston disc 24 is driven by the push rod 4 to move downward inside the control chamber body 1, thereby driving the piercing needle 6 at the bottom of the mounting support 25 to puncture the inside of the blood vessel wall 35 downward;

[0042] As the installation pillar 25 moves downward, the limit frame 27 is driven to move downward, thereby compressing the return spring 26 to generate a rebound force. During the displacement of the limit frame 27, the limit slide block 29 is limited by the limit slide groove 28, thereby maintaining the stability of the position structure when the installation pillar 25 is displaced;

[0043] The suture thread is introduced into the blood vessel wall 35 by the insertion needle 6 at the same time, and the suture thread is now in a bent double-line state, with the bent end located inside the blood vessel wall 35, thereby forming a loop.

[0044] At the same time, during the downward displacement of the piston disc 24, the main traction line 17 is pulled by the piston disc 24, and the auxiliary traction line 18 is driven to follow the displacement by the main traction line 17, so that the auxiliary traction line 18 pulls one end of the arc-shaped pressure strip 7 to follow the displacement, thereby forming a state of pressing the upper wall of the blood vessel wall 35 downward toward the suture area, so that the position structure of the suture area of ​​the blood vessel wall 35 remains stable;

[0045] As the main traction line 17 is pulled, the bottom of the main traction line 17 and the swing shuttle 12 change from a relaxed state to a taut state, and then the swing shuttle 12 is pulled by the main traction line 17 to follow the displacement, and the swing shuttle 12 is restricted by the support shaft 22, thereby forming a rotating state, and the rotation of the swing shuttle 12 drives the support shaft 22 to follow the rotation, so that the torsion spring 21 is twisted to generate a rebound force, and the top of the swing shuttle 12 hooks the suture brought in by the threading needle 6, so that the knot is elongated and retained inside the blood vessel wall 35;

[0046] At this time, the push rod 4 is no longer pushed. Under the action of the rebound force of the return spring 26, the threading needle 6 moves upward, and the knot loop is retained inside the vascular wall 35. The suture device is moved along the direction of the vascular incision, or the suture device is rotated to the other side of the vascular incision, and the push rod 4 is pressed again to make the threading needle 6 move downward, so that the threading needle 6 introduces the suture thread into the vascular wall 35 again. At this time, the knot loop formed at the front end of the vascular wall 35 has been loosened from the top of the swing shuttle 12. Under the action of the main traction line 17 that no longer has a pulling force on the swing shuttle 12, the rebound force of the torsion spring 21 drives the swing shuttle 12 to rotate in the opposite direction. Through the inertial force of the reverse rotation of the swing shuttle 12, the swing shuttle 12 is separated from the knot loop. The threading needle 6 that enters the vascular wall 35 again brings the suture thread into the vascular wall 35 again to form a new knot loop, and the new knot loop passes through the inside of the knot loop at the front end, so as to form a knotted state inside the vascular wall 35, and the swing shuttle 12 is also rotated again under the force, so as to hook the new knot loop formed by the suture thread, thereby preparing for subsequent suturing.

[0047] The reciprocating movement of the threading needle 6 and the swing shuttle 12 realizes the rapid suturing function of the blood vessel wall 35, and optimizes the existing hook needle rotation bending thread guiding method. At the same time, the suture knot is a slipknot structure. When the suture needs to be removed, the suture thread can be completely removed by pulling the thread end of the suture thread, thereby realizing the function of rapid and efficient suturing;

[0048] During the reciprocating swing of the swing shuttle 12, the swing of the swing shuttle 12 drives the traction rope 20 to pull the piston plate 32 at the top of the piston rod 33 to displace. At this time, the top of the suction cup 31 fits with the inner wall of the blood vessel wall 35 to form a closed area. The closed area is adsorbed by the displacement of the piston plate 32, and adsorbed from the inside of the blood vessel wall 35, thereby maintaining the stability of the position of the suture area and avoiding the displacement of the inner wall of the blood vessel due to slipping. At the same time, when the swing shuttle 12 no longer pulls the traction rope 20, the piston plate 32 is reset under the action of the rebound force of the support spring 34, thereby releasing the adsorption state, so that the suction cup 31 moves along with the overall displacement of the support column 2.

[0049] The specific implementation methods of this embodiment are described above, but this embodiment is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Ordinary technicians in this field can also make many forms inspired by this embodiment, all of which are within the protection of this embodiment.

Claims

1. A vascular incision stapler, characterized in that: The invention comprises a control chamber (1) and a blood vessel wall (35), wherein a support column (2) is arranged on the outside of the control chamber (1), a shuttle mechanism is arranged at the bottom of the support column (2), a threading needle (6) is arranged at the bottom of the control chamber (1), a suture thread is threaded at the bottom of the threading needle (6), the threading needle (6) is located at the top of the blood vessel wall (35), and the shuttle mechanism is located at the bottom of the blood vessel wall (35); The control chamber (1) is provided with a pushing and piercing mechanism inside, and the piercing needle (6) is installed at the bottom of the pushing and piercing mechanism, and the piercing needle (6) is used to pierce the blood vessel wall (35) and introduce the suture into the bottom of the blood vessel wall (35); A main traction line (17) connected to the shuttle mechanism is arranged inside the support column (2); the other end of the main traction line (17) is connected to the push-threading mechanism; the main traction line (17) is used to drive the shuttle mechanism to swing and move, and to hook the suture thread introduced by the threading needle (6) to form a loop; A suction cup mechanism is provided on one side of the shuttle mechanism, and the suction cup mechanism is used to absorb and position the inner wall of the blood vessel wall (35). The shuttle mechanism and the suction cup mechanism are synchronously linked.

2. A vascular incision stapler according to claim 1, characterized in that: Two groups of side support plates (8) are symmetrically arranged on one side of the bottom of the support column (2); the shuttle mechanism comprises a support barrel (19); the support barrel (19) is arranged on a side where the two groups of side support plates (8) are close to each other and is tightly connected to one group of side support plates (8); one side of the support barrel (19) is rotatably connected to a swing shuttle (12); one side of the swing shuttle (12) is provided with a support shaft (22) extending into the interior of the support barrel (19); the support shaft (22) is connected to a bearing of the support barrel (19); a torsion spring (21) is sleeved on the outer side of the support shaft (22); and one end of the torsion spring (21) is fixedly connected to the inner wall of the support barrel (19).

3. A suturing device for vascular incision according to claim 2, characterized in that: The swing shuttle (12) is an inverted "L"-shaped structure, and the top hook of the swing shuttle (12) swings back and forth toward a side away from the support column (2). The bottom of the swing shuttle (12) is connected to one end of the main traction line (17). The support column (2) is provided with a lead-in hole (16) from top to bottom. The main traction line (17) passes through the bottom of the lead-in hole (16) and passes through the top to the inside of the control chamber (1).

4. A vascular incision stapler according to claim 3, characterized in that: A top pressure plate (9) is provided on one side of the support column (2) close to the piercing needle (6). The top pressure plate (9) is located directly below the piercing needle (6). A perforation (10) is provided on the top of the top pressure plate (9). The bottom of the top pressure plate (9) fits the top of the blood vessel wall (35). When the piercing needle (6) pierces the inner position of the blood vessel wall (35), the swing shuttle (12) is located on one side of the piercing needle (6), and the two are staggered with each other.

5. A vascular incision stapler according to claim 4, characterized in that: The suction cup mechanism comprises a mounting slot (14) arranged on the inner side of another group of side support plates (8), a piston tube (13) is engaged inside the mounting slot (14), a suction cup (31) adsorbed to the inner wall of the blood vessel wall (35) is arranged on the top of the piston tube (13), a piston plate (32) is arranged inside the piston tube (13), a piston rod (33) is arranged in the middle of the bottom of the piston plate (32), a traction rope (20) is arranged at the bottom of the piston rod (33), and the other end of the traction rope (20) is connected to the swing shuttle (12).

6. The vascular incision stapler according to claim 5, characterized in that: A T-shaped limiting rod (30) is arranged at the bottom of the installation slot (14), the traction rope (20) passes around the bottom of the T-shaped limiting rod (30) and is connected to the swing shuttle (12), and support springs (34) are arranged on both sides of the bottom of the piston plate (32), and the bottom of the support spring (34) is connected to the bottom of the piston tube (13).

7. The vascular incision stapler according to claim 6, characterized in that: A support bar (11) is provided at a position of the support column (2) near one side of the top pressure plate (9), one end of the support bar (11) is hinged with an arc-shaped pressure bar (7), the arc-shaped pressure bar (7) is arc-shaped downward, and one end of the arc-shaped pressure bar (7) is provided with an auxiliary traction line (18) extending into the interior of the support column (2), the other end of the auxiliary traction line (18) is connected to the main traction line (17), and a through hole (15) adapted to the auxiliary traction line (18) is provided inside the support column (2).

8. The vascular incision stapler according to claim 7, characterized in that: The pushing and threading mechanism comprises a piston disc (24) arranged inside the control chamber body (1), the piston disc (24) slides up and down on the inner wall of the control chamber body (1), a plurality of groups of ventilation holes (23) are evenly distributed at the upper and lower ends of the piston disc (24), a push rod (4) extending to the outside of the control chamber body (1) is arranged on the top of the piston disc (24), a palm rest (5) is arranged on the top of the push rod (4), one end of the main traction line (17) extends to the inside of the control chamber body (1) and is connected to the top of the piston disc (24), and a support palm rest (3) is symmetrically arranged on the outer side of the control chamber body (1).

9. The suturing device for blood vessel incision according to claim 8, characterized in that: A mounting support (25) is provided at the bottom of the piston disc (24), the top of the threading needle (6) is tightly connected to the mounting support (25), a plurality of groups of limit frames (27) are provided at the top of the outer side of the mounting support (25), a return spring (26) fixedly connected to the inner wall of the control chamber body (1) is provided at the bottom of the limit frame (27), a limit slide block (29) is provided at one end of the limit frame (27) close to the inner wall of the control chamber body (1), and a limit slide groove (28) corresponding to the limit slide block (29) is provided on the inner wall of the control chamber body (1).

10. The vascular incision stapler according to claim 9, characterized in that: The bottom end of the main traction line (17) and the swing shuttle (12) are initially in a relaxed state. When the main traction line (17) moves upward, the auxiliary traction line (18) is driven to follow the displacement in real time. When the main traction line (17) and the swing shuttle (12) are in a taut state, the swing shuttle (12) is driven to follow the swing displacement, so that the swing shuttle (12) forms a state of lagging displacement.

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