Knotter for laparoscopic minimally invasive surgery suture

Abstract

The invention discloses a knotter for laparoscopic minimally invasive surgery suture, and relates to the technical field of surgical instruments. The device comprises a handle, a guide rod is fixedly connected to one side of the handle, a clamping plate is fixedly connected to one side of the guide rod, and an adjusting plate is arranged at the bottom of the clamping plate; and a cutting assembly is arranged in the clamping plate and comprises a moving frame, the moving frame is slidably connected into the clamping plate, and a cutting knife is fixedly connected to one side of the moving frame. Through the arrangement of the clamping assembly, when a medical worker holds a handle with a hand, a suture line can be clamped through an adjusting plate and a clamping plate, the position of the clamping plate is fixed, when the suture line is clamped, the adjusting plate can be driven by a moving pipe to rotate with a fixing shaft as the axis, and when the adjusting plate is attached to the clamping plate, the suture line can be fixed; and then medical personnel hold another clamp to move the suture needle to suture the surgical wound of the patient, and knotting is carried out in cooperation with the clamping plate.

Description

Technical Field

[0001] The invention belongs to the technical field of surgical instruments, and in particular relates to a knotter for suturing in laparoscopic minimally invasive surgery. Background Art

[0002] The knotter for laparoscopic minimally invasive surgery is a medical device designed specifically for laparoscopic surgery. It aims to assist surgeons in performing efficient and precise suturing in the narrow abdominal cavity. The device can be remotely operated to complete tissue suturing and knotting without the need for large incisions, reducing surgical trauma and recovery time. The knotter has the characteristics of easy operation, strong stability and high precision. It is widely used in minimally invasive surgeries such as gastrointestinal, urological, and gynecological surgeries. It not only improves surgical efficiency, but also significantly reduces patients' postoperative complications and hospitalization time.

[0003] When using the current laparoscopic minimally invasive surgery suturing knotter, medical staff usually need to hold clamps, use one set of clamps to clamp the suture needle, and use the other set of clamps to wrap the suture and tie the knot. However, after the suturing is completed during the abdominal surgery, the clamps need to be removed and then replaced with surgical forceps with scissors to cut the excess suture. The operation is rather cumbersome, and once the suture thread ends are loosened, it is very inconvenient to clamp them again.

[0004] To this end, we provide a laparoscopic minimally invasive surgery suturing knotter to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a laparoscopic minimally invasive surgery suturing knotter, which solves the problem of the laparoscopic minimally invasive surgery suturing knotter in the prior art that it is very inconvenient to cut the suture thread when suturing a wound through the cooperation of a cutting component, a clamping component and an adjusting component.

[0006] To solve the above technical problems, the present invention is implemented through the following technical solutions.

[0007] The present invention relates to a knotting device for laparoscopic minimally invasive surgery suturing, which includes a handle. One side of the handle is fixedly connected with a guide rod, one side of the guide rod is fixedly connected with a clamping plate, and an adjusting plate is arranged at the bottom of the clamping plate; a cutting component is arranged inside the clamping plate. The cutting component includes a moving frame which is slidably connected inside the clamping plate. One side of the moving frame is fixedly connected with a cutting knife, and a clamping groove is formed at the bottom of the clamping plate. The excess thread ends are cut by the cutting component; a clamping component is arranged inside the guide rod. The clamping component includes a rotating rod which is movably connected to one side of the adjusting plate, the other end of the rotating rod is movably connected with a moving shaft, a moving tube is arranged on one side of the moving shaft, and a moving rod is arranged inside the moving tube. The suture is clamped by the clamping component; an adjusting component is arranged on one side of the handle. The adjusting component further includes a grip ring which is movably connected to the bottom of the handle, the top of the grip ring is movably connected with an adjusting rod, the other end of the adjusting rod is movably connected with a moving block, and a transmission rod is movably connected inside the moving block. Two sides of the top of the transmission rod are respectively fixedly connected with a first adjusting plate and a second adjusting plate. The positions of the cutting knife and the adjusting plate are adjusted by the adjusting component.

[0008] The present invention is further configured such that a vertical plate is slidably connected inside the moving frame, one side of the vertical plate is fixedly connected with a sliding rod, and the other end of the sliding rod penetrates through the moving frame and is fixedly connected with the inner wall of the clamping plate.

[0009] The present invention is further configured such that a first spring is sleeved on the surface of the sliding rod, and one end of the first spring is fixedly connected with the inner wall of the moving frame.

[0010] The present invention is further configured such that one end of the moving tube penetrates into the guide rod and is fixedly connected with a moving sleeve, a connecting rod is fixedly connected to the bottom of the moving sleeve, and the bottom of the connecting rod is fixedly connected with the moving shaft.

[0011] The present invention is further configured such that a second spring is sleeved on the surface of the moving tube, one end of the second spring is fixedly connected with a partition plate, and the surface of the partition plate is fixedly connected with the inner wall of the guide rod.

[0012] The present invention is further configured such that one end of the moving rod penetrates into the guide rod and is fixedly connected with a push plate, a traction rope is fixedly connected to the top of the push plate, and the other end of the traction rope is fixedly connected with the moving frame.

[0013] The present invention is further configured such that a fixed shaft is movably connected inside the adjusting plate, and the front side and the rear side of the fixed shaft are both fixedly connected with the inner wall of the guide rod.

[0014] The present invention is further configured such that the adjusting component further includes a fixing plate which is fixedly connected to the surface of the moving tube, and the other end of the moving rod is fixedly connected with a mounting plate.

[0015] The present invention is further configured such that a square column is slidably connected inside the transmission rod, the other end of the square column penetrates outside the handle and is fixedly connected to a knob, and the surface of the knob is movably connected to the inner wall of the handle through a bearing.

[0016] The present invention is further configured such that a metal rod is fixedly connected to the top of the knob, and a magnet is fixedly connected to one side of the handle.

[0017] The present invention has the following beneficial effects.

[0018] 1. Through the setting of the clamping assembly, when a medical staff holds the handle, the suture can be clamped by the adjusting plate and the clamping plate. The position of the clamping plate remains unchanged. When clamping the suture, the adjusting plate can be driven by the moving tube to rotate around the fixed axis. When the adjusting plate fits with the clamping plate, the suture can be fixed. Then, the medical staff holds another pair of forceps to move the suture needle to suture the surgical wound of the patient and tie a knot in cooperation with the clamping plate.

[0019] 2. Through the setting of the cutting assembly, after the medical staff finishes suturing the surgical wound of the patient, the medical staff can place the excess suture in the card slot, and then drive the traction rope to move by the moving rod. The cutting knife is driven by the traction rope to cut the excess suture, which can improve the convenience during use.

[0020] 3. Through the setting of the adjusting assembly, when the medical staff manually presses the grip ring, the adjusting rod and the moving block are pushed by the grip ring. When the moving block drives the first adjusting plate to push the fixing plate, the moving tube can be driven to move, realizing the adjustment of the adjusting plate to clamp and fix the suture. When the moving block drives the second adjusting plate to move and push the mounting plate, the cutting knife can be driven to cut the suture. The movement of both the cutting knife and the adjusting plate can be driven by the thrust of the grip ring. During the operation, the guide rod does not need to be taken out of the patient's surgical site to complete the clamping and cutting of the suture, improving the flexibility during use.

[0021] Of course, it is not necessary for any product implementing the present invention to achieve all the above advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below.

[0023] Figure 1 It is a perspective view of a knotting device for laparoscopic minimally invasive surgery suturing.

[0024] Figure 2 It is a partial cross-sectional view of the handle in a knotting device for laparoscopic minimally invasive surgery suturing.

[0025] Figure 3 It is a cross-sectional view of a moving block in a knotting device for laparoscopic minimally invasive surgery suture.

[0026] Figure 4 It is a cross-sectional view of a moving tube and a fixing plate in a knotting device for laparoscopic minimally invasive surgery suture.

[0027] Figure 5 It is a partial cross-sectional view of a splint and an adjusting plate in a knotting device for laparoscopic minimally invasive surgery suture.

[0028] Figure 6 It is a cross-sectional view of a splint and a moving frame in a knotting device for laparoscopic minimally invasive surgery suture.

[0029] Figure 7 It is a schematic diagram of the movement of a cutting knife in a knotting device for laparoscopic minimally invasive surgery suture.

[0030] In the attached drawings: 1. Handle; 2. Guide rod; 3. Splint; 4. Adjusting plate; 5. Moving frame; 6. Cutting knife; 7. Card slot; 8. Rotating rod; 9. Moving shaft; 10. Moving tube; 11. Moving rod; 12. Holding ring; 13. Adjusting rod; 14. Moving block; 15. Transmission rod; 16. First adjusting plate; 17. Second adjusting plate; 18. Vertical plate; 19. Slide rod; 20. First spring; 21. Moving sleeve; 22. Connecting rod; 23. Second spring; 24. Partition board; 25. Push plate; 26. Traction rope; 27. Fixed shaft; 28. Fixing plate; 29. Mounting plate; 30. Square column; 31. Knob; 32. Metal rod; 33. Magnet. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present invention will be described with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0032] Embodiment 1

[0033] Please refer to Figures 1-7, the present invention is a knotting device for laparoscopic minimally invasive surgery suturing, including a handle 1. One side of the handle 1 is fixedly connected with a guide rod 2. One side of the guide rod 2 is fixedly connected with a clamping plate 3. The bottom of the clamping plate 3 is provided with an adjusting plate 4; a cutting component is arranged inside the clamping plate 3. The cutting component includes a moving frame 5. The moving frame 5 is slidably connected inside the clamping plate 3. One side of the moving frame 5 is fixedly connected with a cutting knife 6. A clamping groove 7 is opened at the bottom of the clamping plate 3. The redundant thread ends are cut by the cutting component; a clamping component is arranged inside the guide rod 2. The clamping component includes a rotating rod 8. The rotating rod 8 is movably connected to one side of the adjusting plate 4. The other end of the rotating rod 8 is movably connected with a moving shaft 9. One side of the moving shaft 9 is provided with a moving tube 10. A moving rod 11 is arranged inside the moving tube 10. The suture is clamped by the clamping component; an adjusting component is arranged on one side of the handle 1. The adjusting component further includes a holding ring 12. The holding ring 12 is movably connected to the bottom of the handle 1. The top of the holding ring 12 is movably connected with an adjusting rod 13. The other end of the adjusting rod 13 is movably connected with a moving block 14. A transmission rod 15 is movably connected inside the moving block 14. Two sides of the top of the transmission rod 15 are respectively fixedly connected with a first adjusting plate 16 and a second adjusting plate 17. The positions of the cutting knife 6 and the adjusting plate 4 are adjusted by the adjusting component.

[0034] Specifically: The clamping plate 3 is fixed to one side of the guide rod 2. When clamping the suture, it serves as the fixed end. The adjusting plate 4 is movably connected to the inner wall of the guide rod 2 through a fixed shaft 27. When clamping the suture, it serves as the rotating end. The moving frame 5 is slidably connected to the inner wall of the clamping plate 3. Both the cutting knife 6 and the clamping groove 7 are set to be arc-shaped. When the suture is placed in the clamping groove 7, the cutting action of the cutting knife 6 can be used to cut the suture. The moving rod 11 is slidably connected to the inner wall of the moving tube 10.

[0035] Embodiment Two

[0036] Please refer to Figures 1-7 , on the basis of Embodiment One, a vertical plate 18 is slidably connected inside the moving frame 5. One side of the vertical plate 18 is fixedly connected with a sliding rod 19. The other end of the sliding rod 19 penetrates through the moving frame 5 and is fixedly connected with the inner wall of the clamping plate 3. A first spring 20 is sleeved on the surface of the sliding rod 19. One end of the first spring 20 is fixedly connected with the inner wall of the moving frame 5. One end of the moving tube 10 penetrates into the guide rod 2 and is fixedly connected with a moving sleeve 21. A connecting rod 22 is fixedly connected to the bottom of the moving sleeve 21. The bottom of the connecting rod 22 is fixedly connected with the moving shaft 9. A second spring 23 is sleeved on the surface of the moving tube 10. One end of the second spring 23 is fixedly connected with a partition plate 24. The surface of the partition plate 24 is fixedly connected with the inner wall of the guide rod 2.

[0037] Specifically: One end of the grip ring 12 is movably connected to the bottom of the handle 1 through a pin shaft. When a medical staff holds the handle 1 and the grip ring 12, the grip ring 12 can be pushed to tilt by manual pressing. The moving block 14 is movably connected to the grip ring 12 through an adjusting rod 13. When the grip ring 12 tilts, the moving block 14 can be pushed. One side of the first adjusting plate 16 and the second adjusting plate 17 are both fixed on the surface of the transmission rod 15, and the included angle between one side of the first adjusting plate 16 and the second adjusting plate 17 is sixty degrees.

[0038] Embodiment III

[0039] Please refer to Figures 1-7 , on the basis of Embodiment I, one end of the moving rod 11 penetrates into the inside of the guide rod 2 and is fixedly connected with a push plate 25. A traction rope 26 is fixedly connected to the top of the push plate 25. The other end of the traction rope 26 is fixedly connected with the moving frame 5. A fixed shaft 27 is movably connected inside the adjusting plate 4. The front side and the rear side of the fixed shaft 27 are both fixedly connected to the inner wall of the guide rod 2. The adjusting assembly further includes a fixing plate 28. The fixing plate 28 is fixedly connected to the surface of the moving tube 10. The other end of the moving rod 11 is fixedly connected with a mounting plate 29. A square column 30 is slidably connected inside the transmission rod 15. The other end of the square column 30 penetrates to the outside of the handle 1 and is fixedly connected with a knob 31. The surface of the knob 31 is movably connected to the inner wall of the handle 1 through a bearing. A metal rod 32 is fixedly connected to the top of the knob 31. A magnet 33 is fixedly connected to one side of the handle 1.

[0040] Specifically: The first spring 20 has the function of compressing and storing energy, and can reset the moving frame 5 and the cutting knife 6. The second spring 23 has the function of compressing and storing energy, and can reset the moving tube 10. The moving tube 10 is slidably connected to the inner wall of the partition plate 24. A third spring is sleeved on the surface of the moving rod 11 and on one side of the moving tube 10, and can reset the moving rod 11. There are two magnets 33, and the included angle is set to sixty degrees. When the metal rod 32 approaches the magnet 33, the metal rod 32 can be adsorbed and fixed.

[0041] The working principle of the present invention is as follows: When a medical staff holds the handle 1 and moves one end of the guide rod 2 to the surgical suture position, the grip ring 12 can be manually pressed. The grip ring 12 pushes the adjusting rod 13 and the moving block 14 to move. The moving block 14 drives the first adjusting plate 16 to push the fixing plate 28 to move. The fixing plate 28 drives the moving tube 10 and the moving sleeve 21 to move. The moving sleeve 21 cooperates with the connecting rod 22 to drive the moving shaft 9 to move. The moving shaft 9 cooperates with the rotating rod 8 to drive the adjusting plate 4 to rotate around the fixed shaft 27 as the axis. When the adjusting plate 4 fits with the clamping plate 3, the suture can be fixed. Then, the medical staff holds another pair of forceps to move the suture needle to suture the surgical wound of the patient and cooperate with the clamping plate 3 to tie a knot.

[0042] After the medical staff finishes suturing the patient's surgical wound, the medical staff can release the grip ring 12. Under the action of the second spring 23, the moving tube 10 is reset. Then, the excess suture is placed into the card slot 7. After that, the metal rod 32 is manually rotated. The metal rod 32 rotates around the transmission rod 15 as the axis and adsorbs with another magnet 33. When the transmission rod 15 rotates, it drives the square column 30 and the transmission rod 15 to rotate. The transmission rod 15 drives the first adjusting plate 4 and the second adjusting plate 4 to rotate clockwise, so that the first adjusting plate 4 does not contact the fixing plate 28 and the second adjusting plate 4 contacts the mounting plate 29. Then, the grip ring 12 is pressed again. The traction rope 26 is driven to move by the moving rod 11, and the cutting knife 6 is driven to move by the traction rope 26 to cut the excess suture, which can improve the convenience during use.

[0043] The movements of the cutting knife 6 and the adjusting plate 4 can both be pushed by the thrust of the grip ring 12. During the operation, it is not necessary to take out the guide rod 2 from the patient's surgical site to complete the clamping and cutting of the suture, which improves the flexibility during use.

[0044] The standard parts used in the present invention can all be purchased from the market, and can also be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art.

[0045] The above-disclosed preferred embodiments of the present invention are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor limit the invention to the specific embodiments described. The present specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present invention, so that those skilled in the relevant technical field can understand and utilize the present invention well.

Claims

1. A laparoscopic minimally invasive surgery suturing knotter, comprising a handle (1), characterized in that: One side of the handle (1) is fixedly connected to a guide rod (2), one side of the guide rod (2) is fixedly connected to a clamping plate (3), and an adjustment plate (4) is provided at the bottom of the clamping plate (3); A cutting assembly is arranged inside the clamping plate (3), and the cutting assembly comprises a moving frame (5), the moving frame (5) is slidably connected to the inside of the clamping plate (3), a cutting knife (6) is fixedly connected to one side of the moving frame (5), and a slot (7) is provided at the bottom of the clamping plate (3), and redundant thread ends are cut by the cutting assembly; A clamping assembly is arranged inside the guide rod (2), and the clamping assembly comprises a rotating rod (8), the rotating rod (8) is movably connected to one side of the adjustment plate (4), the other end of the rotating rod (8) is movably connected to a moving shaft (9), a moving tube (10) is arranged on one side of the moving shaft (9), and a moving rod (11) is arranged inside the moving tube (10), and the suture thread is clamped by the clamping assembly; An adjustment component is provided on one side of the handle (1), and the adjustment component also includes a grip ring (12), the grip ring (12) is movably connected to the bottom of the handle (1), the top of the grip ring (12) is movably connected to an adjustment rod (13), the other end of the adjustment rod (13) is movably connected to a moving block (14), the inside of the moving block (14) is movably connected to a transmission rod (15), and the top of the transmission rod (15) is fixedly connected to a first adjustment plate (16) and a second adjustment plate (17) on both sides, and the positions of the cutting knife (6) and the adjustment plate (4) are adjusted by the adjustment component.

2. A laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: The movable frame (5) is slidably connected to a vertical plate (18) inside, one side of the vertical plate (18) is fixedly connected to a sliding rod (19), and the other end of the sliding rod (19) passes through the movable frame (5) and is fixedly connected to the inner wall of the clamping plate (3).

3. A laparoscopic minimally invasive surgery suturing knotter according to claim 2, characterized in that: A first spring (20) is sleeved on the surface of the sliding rod (19), and one end of the first spring (20) is fixedly connected to the inner wall of the moving frame (5).

4. The laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: One end of the moving tube (10) passes through the interior of the guide rod (2) and is fixedly connected to a moving sleeve (21); the bottom of the moving sleeve (21) is fixedly connected to a connecting rod (22); the bottom of the connecting rod (22) is fixedly connected to the moving shaft (9).

5. The laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: A second spring (23) is sleeved on the surface of the moving tube (10), one end of the second spring (23) is fixedly connected to a partition (24), and the surface of the partition (24) is fixedly connected to the inner wall of the guide rod (2).

6. The laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: One end of the moving rod (11) passes through the inside of the guide rod (2) and is fixedly connected to a push plate (25); a traction rope (26) is fixedly connected to the top of the push plate (25); and the other end of the traction rope (26) is fixedly connected to the moving frame (5).

7. The laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: A fixed shaft (27) is movably connected inside the adjustment plate (4), and the front and rear sides of the fixed shaft (27) are fixedly connected to the inner wall of the guide rod (2).

8. The laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: The adjustment assembly also includes a fixing plate (28), wherein the fixing plate (28) is fixedly connected to the surface of the moving tube (10), and the other end of the moving rod (11) is fixedly connected to a mounting plate (29).

9. The laparoscopic minimally invasive surgery suturing knotter according to claim 1, characterized in that: The transmission rod (15) is slidably connected to a square column (30) inside, and the other end of the square column (30) penetrates the outside of the handle (1) and is fixedly connected to a knob (31), and the surface of the knob (31) is movably connected to the inner wall of the handle (1) via a bearing.

10. The laparoscopic minimally invasive surgery suturing knotter according to claim 9, characterized in that: A metal rod (32) is fixedly connected to the top of the knob (31), and a magnet (33) is fixedly connected to one side of the handle (1).

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