Meniscus suturing device from inside to outside

Abstract

The invention relates to the technical field of medical instruments, in particular to a meniscus suture device from inside to outside, which comprises a limiting steel plate, a needle head, a suture line, a handle and an inlet sleeve, a guide groove is formed in one side of the limiting steel plate, an intercepting net is fixedly arranged on a port of the limiting steel plate, the inlet sleeve is arranged on the right side of the handle, and the needle head and the suture line are arranged in the guide groove. Needles are arranged in the cannula, suture lines are arranged on the needles, and a metal elastic piece is arranged on the outer wall of the tip end of each needle. Through the cooperation of the adjusting lead screw, the sliding plate and the stabilizing box, the distance between the two feeding sleeves is adjusted so as to meet the requirements of different meniscus wounds, and synchronous puncture work of the two feeding sleeves is also achieved.

Description

Technical Field

[0001] The invention relates to the technical field of medical devices, and in particular to an inside-out meniscus suturing device. Background Art

[0002] The meniscus is a bone with medial and lateral crescent-shaped parts on the tibial articular surface. Its edges are thicker and tightly connected to the joint capsule, while the center is thin and free. Except for the edge part that can repair itself after damage, the meniscus cannot repair itself after a rupture. After meniscus resection, a thin and narrow fibrocartilaginous meniscus can be regenerated by the synovium. A normal meniscus has the function of increasing the depression of the tibial condyle and padding the medial and lateral condyles of the femur to increase the stability of the joint and play a role in buffering vibrations. Meniscus injuries are more common in clinical practice. Meniscus resection or shaping is often performed for injuries in the non-vascular area, and meniscus suture is performed as much as possible for injuries in the vascular area. The meniscus suture methods include suturing from outside to inside, suturing from inside to outside, and full inside suturing.

[0003] When using the existing meniscus suture device, generally only one needle can be punctured at a time. When the needle is punctured again, the doctor needs to adjust the position of the puncture needle, which is very inconvenient to operate and has low puncture efficiency. When the suture sleeve is inserted into the joint and the needle and suture thread are passed through the meniscus to the steel plate (safety incision), the suture sleeve needs to be removed. Since the suture sleeve is generally long, the suture thread is easily pulled out during the removal process, resulting in the suture threads behind being unable to be knotted with each other, affecting the suturing efficiency.

[0004] Therefore, the present invention provides a meniscus suturing device from inside to outside to solve the above problems. Summary of the invention

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an inside-out meniscus suturing device, which effectively solves the problem that the suture thread is easily pulled out during the removal of the existing suture sleeve, affecting the suture thread from being able to be knotted together.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is:

[0007] A meniscus suturing device from inside to outside includes a limiting steel plate, a needle, a suture, a handle and an inlet sleeve, wherein a guide groove is arranged on one side of the limiting steel plate, an interception net is fixedly arranged on the port of the limiting steel plate, an inlet sleeve is arranged on the right side of the handle, a needle is arranged inside the inlet sleeve, a suture is arranged on the needle, and a metal shrapnel is arranged on the outer wall of the tip of each needle.

[0008] Preferably, two inlet sleeves are provided on the right side of the handle, each of the inlet sleeves is provided with a limiting hole, each of the inlet sleeves is provided with a needle, and a suture thread located inside the limiting hole is fixedly connected between the left ends of the two needles.

[0009] Preferably, a hidden groove is provided on the outer wall of the tip of the needle, and a metal spring is installed inside the hidden groove.

[0010] Preferably, the right end of the handle is fixedly connected to a fixed shaft, and both sides of the fixed shaft are rotatably connected to adjusting screws, and the right end of the fixed shaft is fixedly connected to a positioning plate, and two sliding holes are provided on the positioning plate, and a sliding plate is slidably connected to the inside of each sliding hole, and each sliding plate is threadedly connected to the corresponding adjusting screw, and a stabilizing box is installed on the right ends of the two sliding plates.

[0011] Preferably, a manual ring is rotatably connected between the handle and the positioning plate, a driving gear ring is fixedly connected inside the manual ring, the top of each adjusting screw is fixedly connected to a bevel gear meshing with the driving gear ring, and a friction ring is fixedly connected to the outer end of the manual ring.

[0012] Preferably, each of the inlet sleeves is respectively sleeved with a sliding ring, the interior of each sliding ring is respectively fixedly connected with a push block located inside the limiting hole, the right end of each push block is respectively fixedly connected with a push rod, the left end of each sliding ring is respectively provided with an annular groove, the interior of each annular groove is respectively slidably connected with a sliding rod, the left end of each sliding rod is respectively fixedly connected with a round block, the left end of each round block is respectively fixedly connected with a positioning block, each positioning block is respectively fixedly connected with a fixing rod, and a positioning sleeve is sleeved between the two fixing rods.

[0013] Preferably, the handle is slidably connected to a push shaft inside, the positioning sleeve is connected to the right end of the push shaft, a rectangular hole is provided on the handle, the left end of the push shaft is fixedly connected to a moving block located inside the rectangular hole, and the right end of the moving block is fixedly connected to a return spring.

[0014] Preferably, each of the stabilizing boxes is threadedly connected with a screw.

[0015] Preferably, the handle is provided with patterns and blocking blocks.

[0016] Preferably, the left end of each needle is fixedly connected with a guide block.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. By adjusting the coordination between the screw rod, the sliding plate and the stabilizing box, the spacing between the two entry cannulas can be adjusted to meet the needs of different meniscus wounds, and the synchronous puncture of the two entry cannulas can be achieved.

[0019] 2. Through the coordinated use of the cannula, needle, stopper, interception net and guide groove, the suture thread will not be brought out, and the suture has the advantages of less trauma and faster recovery, which improves the suture efficiency and reduces the pain of the patient.

[0020] 3. Manually control the moving speed and distance of the needle, and then control the puncture force and angle. It can also puncture two suture lines at the same time, which reduces the patient's pain to a certain extent and improves the suturing efficiency of the meniscus. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional schematic diagram of the present invention Figure 1 ;

[0022] Figure 2 A three-dimensional schematic diagram of the present invention Figure 2 ;

[0023] Figure 3 A three-dimensional schematic diagram of the present invention Figure 3 ;

[0024] Figure 4 It is a schematic diagram of the casing structure of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the sliding ring of the present invention;

[0026] Figure 6 is a schematic cross-sectional perspective view of a needle of the present invention;

[0027] Figure 7 It is a cross-sectional perspective schematic diagram of the handle of the present invention;

[0028] Figure 8 It is a schematic diagram of the cooperation between the driving gear ring and the bevel gear of the present invention;

[0029] Fig. 9 It is a schematic diagram of the needle structure of the present invention;

[0030] Fig.10 It is a schematic diagram of the structure of the stabilizing box of the present invention;

[0031] Fig.11 For the present invention Figure 5 A is an enlarged schematic diagram.

[0032] Markings in the figure: 2. Limiting steel plate; 3. Guide groove; 4. Intercepting net; 5. Handle; 6. Inlet sleeve; 7. Limiting hole; 8. Needle; 9. Fixed shaft; 10. Adjusting screw; 11. Positioning plate; 12. Sliding hole; 13. Sliding plate; 14. Stabilizing box; 15. Manual ring; 16. Driving gear ring; 17. Bevel gear; 18. Friction ring; 19. Sliding ring; 20. Push block; 21. Push rod; 22. Annular groove; 23. Sliding rod; 24. Round block; 25. Positioning block; 26. Fixed rod; 27. Positioning sleeve; 28. Push shaft; 29. ​​Rectangular hole; 30. Moving block; 31. Reset spring; 32. Screw; 33. Texture; 34. Blocking block; 35. Guide block; 36. Suture; 37. Hidden groove; 38. Metal shrapnel. DETAILED DESCRIPTION

[0033] The following will refer to Figures 1 to 11 Various embodiments of the present invention are described in detail.

[0034] A meniscus suturing device from inside to outside, such as Figure 1-Figure 5 As shown, it includes a limiting steel plate 2, a needle 8, a suture thread 36, a handle 5 and an inlet sleeve 6. The limiting steel plate 2 is an arc-shaped structure. A guide groove 3 is provided on one side of the limiting steel plate 2. The inner rear end of the guide groove 3 is a curved oblique arc surface. An interception net 4 is fixedly provided on the end of the guide groove 3 of the limiting steel plate 2. The interception net 4 is arranged in an arc shape. The interception net 4 selects an existing suitable mesh structure. Two inlet sleeves 6 are arranged on the right side of the handle 5. A limiting hole 7 is respectively opened on each of the inlet sleeves 6. The limiting hole 7 is arranged in the left and right directions and is connected with the inside of the inlet sleeve 6. A needle 8 is detachably installed inside each of the inlet sleeves 6. The left ends of the two needles 8 are fixedly connected There is a suture 36 located inside the limiting hole 7, and the needle 8 and the suture 36 are selected from existing suitable devices. A hidden groove 37 is provided on the side wall of the tip of each needle 8, and the hidden groove 37 is arranged close to the tip of the needle 8. A metal spring 38 is fixedly installed on the right side of each hidden groove 37. The metal spring 38 is made of elastic metal, such as elastic titanium alloy. Here, a plurality of hidden grooves 37 and metal springs 38 can be arranged as needed. In actual use, the side wall of the tip of the needle 8 may not have a hidden groove 37, and the metal spring 38 can be directly fixed to the side wall of the tip of the needle 8. (It should be noted that all components on the device are made of existing suitable medical non-toxic materials).

[0035] like Figure 8 , Fig.10As shown, the right end of the handle 5 is fixedly connected to a fixed shaft 9, the right end of the handle 5 is fixedly connected to a connecting disk, the right end center of the connecting disk is fixedly connected to a fixed shaft 9, and the two side surfaces of the fixed shaft 9 are rotatably connected with mutually symmetrical adjusting screws 10, and the threads of the two adjusting screws 10 are oppositely arranged, and the right end of the fixed shaft 9 is fixedly connected to a positioning disk 11, and a certain distance is arranged between the positioning disk 11 and the connecting disk, and the positioning disk 11 is provided with two sliding holes 12, and the interior of each sliding hole 12 is slidably connected with a sliding plate 13, and each sliding plate 13 is threadedly connected to the corresponding adjusting screw 10, and the right ends of the two sliding plates 13 are respectively fixedly installed with stabilizing boxes 14, and the stabilizing box 14 is arranged on the right side of the positioning disk 11.

[0036] like Figure 8 As shown, a manual ring 15 is rotatably connected inside the space between the handle 5 and the positioning plate 11, and the manual ring 15 is rotatably connected to the positioning plate 11. A driving gear ring 16 is fixedly connected inside the manual ring 15, and a bevel gear 17 meshing with the driving gear ring 16 is coaxially fixedly connected to the top end of each adjusting screw rod 10, and a friction ring 18 is fixedly connected to the outer end of the manual ring 15;

[0037] The doctor first installs the suture 36 inside the two limiting holes 7, and then places the needle 8 inside the two inlet sleeves 6, and presses the left end of the metal spring 38 to move it into the corresponding hidden groove 37, so that the needle 8 is completely inserted into the inlet sleeve 6. Since the metal spring 38 is elastic, one end of the metal spring 38 always contacts the inner wall of the inlet sleeve 6 at this time, and the friction ring 18 is rotated to drive the gear ring 16 to mesh with the two bevel gears 17 and the adjusting screw 10 to rotate, and the two sliding plates 13 bring the corresponding two inlet sleeves 6 closer to or farther from each other through the stabilizing box 14 and stop moving after reaching a suitable position;

[0038] The doctor uses surgical tools to open two surgical incisions at the patient's knee, places the limiting steel plate 2 through one of the surgical incisions to the edge of the meniscus, and sets the interception net 4 close to the meniscus. The doctor inserts the two entry sleeves 6 into the other surgical incision at the same time, and observes the cracking of the meniscus through the micro camera and the display. The friction ring 18 is rotated according to the condition of the meniscus, and the two bevel gears 17 rotate with their respective adjustment screws 10. The two sliding plates 13 bring the two entry sleeves 6 closer to each other through the corresponding stabilizing boxes 14, and then adjust the distance between the two entry sleeves 6 so that the crack on the meniscus is located between the two entry sleeves 6. The right end faces of the two entry sleeves 6 contact the inner side of the meniscus, and then push the two needles 8 to slide to the right. The tip of the needle 8 is first inserted into the inside of the meniscus. Due to the squeezing of the meniscus, the metal shrapnel 38 is always hidden in the hidden groove 37.

[0039] When the two needles 8 pass through the intercepting net 4 and contact the curved bevel surface of the guide groove 3, the left end of the metal spring 38 will pop out from the hidden groove 37, and then the two needles 8 will slide along the curved bevel surface to the front end of the limiting steel plate 2. When the needles 8 move with the suture 36 to a suitable degree, the two metal springs 38 are completely inserted into the guide groove 3, the needles 8 stop moving, and the doctor completes the puncture of the two sutures 36.

[0040] When the two entry sleeves 6 are slowly pulled outward, due to the slight friction between the suture 36 and the inner wall of the entry sleeve 6, the entry sleeve 6 will move outward synchronously with the suture 36, and the suture 36 will move synchronously with the two needles 8. Since the metal shrapnel 38 is in the expanded state, the two metal shrapnel 38 has been hooked on the interception net 4, the suture 36 no longer moves, and the suture 36 will completely come out of the two entry sleeves 6. Then the doctor uses the corresponding tool to remove the two needles 8, so that the two sutures 36 are knotted with each other, and the cracks of the meniscus are sutured. After the suturing is completed, the limiting steel plate 2 is taken out; by suturing the meniscus, the patient can be helped to restore its normal function, and the suturing has the advantages of small trauma and fast recovery. Since the metal shrapnel 38 is hooked on the interception net 4, the suture 36 will not be brought out with the pulling out of the entry sleeve 6, thereby improving the suturing efficiency. The present invention can also adjust the spacing between the two entry sleeves 6 according to the situation of the meniscus, reduce the number of needle insertions, and reduce the pain of the patient.

[0041] like Figure 4 , Figure 5 , Fig.11 As shown, each of the inlet sleeves 6 is respectively sleeved with a sliding ring 19, and a cross block is fixedly connected to the inside of each sliding ring 19, which is slidably installed in the limiting hole 7, and the other end of the cross block is fixedly connected to a push block 20 located in the inlet sleeve 6, and a push rod 21 is fixedly connected to the right end of each push block 20, and the push rod 21 is arranged on the left side of the needle 8. An annular groove 22 is respectively opened on the left end surface of each sliding ring 19, and a sliding rod 23 is slidably connected to the inside of each annular groove 22, and a round block 24 is fixedly connected to the left end of each sliding rod 23, and a positioning block 25 is fixedly connected to the left end of each round block 24, and a horizontal fixing rod 26 is fixedly connected to each positioning block 25, and a positioning sleeve 27 is commonly sleeved between the two fixing rods 26, and the fixing rod 26 is slidably connected to the inside of the positioning sleeve 27.

[0042] like Figure 2 , Figure 7As shown, a mounting cavity is provided inside the handle 5, a push shaft 28 is slidably arranged inside the mounting cavity, the push shaft 28 passes through the fixed shaft 9 and the positioning plate 11 and is fixedly connected to the positioning sleeve 27, a rectangular hole 29 is provided on the handle 5 and passes through the mounting cavity, a moving block 30 located inside the rectangular hole 29 is fixedly connected to the left end of the push shaft 28, a reset spring 31 is fixedly connected to the right end of the moving block 30, the reset spring 31 is sleeved on the push shaft 28, and the other end of the reset spring 31 is fixedly connected to the right end of the handle 5;

[0043] The doctor rotates the two entry sleeves 6, and the sliding rod 23 slides along the annular groove 22, so that the two limiting holes 7 are set upward, driving the metal spring 38 to move to the inside of the hidden groove 37, and the suture 36 is installed in the limiting hole 7. The two needles 8 are placed in the corresponding entry sleeves 6 respectively to complete the installation of the needles 8, and then the two entry sleeves 6 are restored to the initial state, and the two limiting holes 7 correspond to each other; when it is necessary to adjust the spacing between the two needles 8, the friction ring 18 is rotated to drive the gear ring 16 to mesh with the two bevel gears 17 and the adjusting screw 10 to rotate, and the two sliding plates 13 drive the corresponding two entry sleeves 6 to move closer or farther from each other through the stabilizing box 14, and at the same time, the fixed rod 26 slides in the positioning sleeve 27 until the two entry sleeves 6 are adjusted to a suitable position and then stop moving. During the sliding process of the fixed rod 26 along the positioning sleeve 27, the two entry sleeves 6 are stabilized;

[0044] Then the doctor pushes the moving block 30 and the pushing shaft 28 to the right, and the reset spring 31 is compressed. At this time, the positioning sleeve 27, the fixing rod 26, the positioning block 25, the round block 24, the sliding rod 23, and the sliding ring 19 slide to the right synchronously, and the two pushing blocks 20 push the tail end of the needle 8 to move through the pushing rod 21. At this time, the tips of the two needles 8 are first inserted into the interior of the meniscus, thereby completing the puncture of the meniscus. In this way, the moving speed and distance of the needle 8 can be manually controlled, and then the puncture force and angle can be controlled. The two sutures 36 can also be punctured at the same time, which reduces the patient's pain and improves the suturing efficiency of the meniscus.

[0045] like Figure 3 As shown, each of the stabilizing boxes 14 is respectively threadedly connected with a screw rod 32, and the left end of each entry sleeve 6 is respectively fixedly connected with a fastening rod, which is inserted into the corresponding stabilizing box 14, and the screw rod 32 is rotated to fasten the fastening rod, which improves the stability of the entry sleeve 6 and also facilitates the disassembly of the entry sleeve 6.

[0046] like Figure 2 As shown, the handle 5 is provided with a texture 33 to increase the friction with the hand, and a blocking block 34 is threadedly installed on the left end of the handle 5. When the components inside the installation cavity need to be replaced, the blocking block 34 can be removed and replaced.

[0047] like Fig. 9 As shown, the left end of each needle 8 is fixedly connected with a guide block 35 , and the guide block 35 is installed inside the corresponding limiting hole 7 to guide the needle 8 .

[0048] Working principle of the present invention:

[0049] The doctor first installs the suture 36 inside the two limiting holes 7, and then places the needle 8 inside the two entry sleeves 6, presses the left end of the metal spring 38 to move it into the corresponding hidden groove 37, so that the needle 8 is completely inserted into the entry sleeve 6. Since the metal spring 38 is elastic, one end of the metal spring 38 is always in conflict with the inner wall of the entry sleeve 6 at this time, and the friction ring 18 is rotated to drive the gear ring 16 to mesh with the two bevel gears 17 and the adjusting screw 10 to rotate. The two sliding plates 13 bring the corresponding two entry sleeves 6 closer to or farther from each other to the appropriate position through the stabilizing box 14 and stop moving. The doctor uses surgical tools to open two surgical incisions at the patient's knee position, and places the limiting steel plate 2 through one of the surgical incisions to the edge side of the meniscus, and the interception net 4 is set close to the meniscus;

[0050] The doctor inserts two inlet sleeves 6 into another surgical port at the same time, observes the cracking of the meniscus through a micro camera and a display, rotates the friction ring 18 according to the condition of the meniscus, and the two bevel gears 17 rotate with their respective adjusting screws 10, and the two sliding plates 13 bring the two inlet sleeves 6 closer to each other through the corresponding stabilizing boxes 14, and then adjusts the distance between the two inlet sleeves 6 so that the crack on the meniscus is located between the two inlet sleeves 6;

[0051] The doctor makes the right end faces of the two entry sleeves 6 contact the inner side of the meniscus, pushing the moving block 30 and the push shaft 28 to move rightward, and the return spring 31 is compressed. At this time, the positioning sleeve 27, the fixing rod 26, the positioning block 25, the round block 24, the sliding rod 23, and the sliding ring 19 slide to the right synchronously, and the two push blocks 20 push the tail end of the needle 8 to move through the push rod 21, and then push the two needles 8 to slide to the right. The tip of the needle 8 is first inserted into the inside of the meniscus. Due to the squeezing of the meniscus, the metal spring 38 is always hidden in the inside of the hidden groove 37;

[0052] When the two needles 8 pass through the intercepting net 4 and contact the curved bevel surface of the guide groove 3, the left end of the metal spring 38 will pop out from the hidden groove 37, and then the two needles 8 will slide along the curved bevel surface to the front end of the limiting steel plate 2. When the needles 8 move with the suture 36 to a suitable degree, the two metal springs 38 are completely inserted into the guide groove 3, the needles 8 stop moving, and the doctor completes the puncture of the two sutures 36.

[0053] When the two entry sleeves 6 are slowly pulled out, due to the slight friction between the suture 36 and the inner wall of the entry sleeve 6, the entry sleeve 6 will move outward with the suture 36, and the suture 36 will move synchronously with the two needles 8. Since the metal shrapnel 38 is in the expanded state, the two metal shrapnel 38 will hook on the interception net 4, and the suture 36 will no longer move, and the suture 36 will completely come out of the two entry sleeves 6. Then the doctor uses the corresponding tool to remove the two needles 8, so that the two sutures 36 are knotted with each other, and the cracks of the meniscus are sutured. After the suturing is completed, the limiting steel plate 2 is taken out, the moving block 30 is released, and the reset spring 31 resets the corresponding parts; by suturing the meniscus, the patient can be helped to restore its normal function, and the suturing has the advantages of small trauma and fast recovery. Since the metal shrapnel 38 is hooked on the interception net 4, the suture 36 will not be brought out, which improves the suturing efficiency. The spacing between the two entry sleeves 6 can also be adjusted according to the situation of the meniscus, which reduces the pain of the patient.

[0054] It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0055] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A meniscus suturing device from inside to outside, comprising a limit steel plate (2), a needle (8), a suture thread (36), a handle (5) and an inlet sleeve (6), characterized in that: A guide groove (3) is provided on one side of the limiting steel plate (2), an interception net (4) is fixedly provided on the end of the limiting steel plate (2), an inlet sleeve (6) is provided on the right side of the handle (5), a needle (8) is provided inside the inlet sleeve 6, a suture thread (36) is provided on the needle (8), and a metal spring (38) is provided on the outer wall of the tip of each needle (8).

2. The inside-out meniscus suturing device according to claim 1, characterized in that: Two inlet sleeves (6) are provided on the right side of the handle (5), each of the inlet sleeves (6) is provided with a limiting hole (7), each of the inlet sleeves (6) is provided with a needle (8) inside, and a suture thread (36) located inside the limiting hole (7) is fixedly connected between the left ends of the two needles (8).

3. The inside-out meniscus suturing device according to claim 1, characterized in that: A hidden groove (37) is provided on the outer wall of the tip of the needle (8), and a metal spring (38) is installed inside the hidden groove (37).

4. The inside-out meniscus suturing device according to claim 1, characterized in that: The right end of the handle (5) is fixedly connected to a fixed shaft (9), and the two sides of the fixed shaft (9) are rotatably connected to adjusting screw rods (10), and the right end of the fixed shaft (9) is fixedly connected to a positioning plate (11), and the positioning plate (11) is provided with two sliding holes (12), and each of the sliding holes (12) is slidably connected to a sliding plate (13), and each of the sliding plates (13) is threadedly connected to the corresponding adjusting screw rod (10), and the right ends of the two sliding plates (13) are respectively installed with stabilizing boxes (14).

5. The inside-out meniscus suturing device according to claim 4, characterized in that: A manual ring (15) is rotatably connected between the handle (5) and the positioning plate (11), a driving gear ring (16) is fixedly connected inside the manual ring (15), a bevel gear (17) meshing with the driving gear ring (16) is fixedly connected to the top end of each adjusting screw rod (10), and a friction ring (18) is fixedly connected to the outer end of the manual ring (15).

6. The inside-out meniscus suturing device according to claim 1, characterized in that: Each of the inlet sleeves (6) is sleeved with a sliding ring (19), and a push block (20) located inside the limiting hole (7) is fixedly connected inside each of the sliding rings (19), and a push rod (21) is fixedly connected to the right end of each of the push blocks (20). An annular groove (22) is provided at the left end of each of the sliding rings (19), and a sliding rod (23) is slidably connected inside each of the annular grooves (22). A round block (24) is fixedly connected to the left end of each of the sliding rods (23), and a positioning block (25) is fixedly connected to the left end of each of the round blocks (24). A fixing rod (26) is fixedly connected to each of the positioning blocks (25), and a positioning sleeve (27) is sleeved between the two fixing rods (26).

7. The inside-out meniscus suturing device according to claim 6, characterized in that: The handle (5) is slidably connected to a push shaft (28), the positioning sleeve (27) is connected to the right end of the push shaft (28), a rectangular hole (29) is provided on the handle (5), the left end of the push shaft (28) is fixedly connected to a moving block (30) located inside the rectangular hole (29), and the right end of the moving block (30) is fixedly connected to a return spring (31).

8. The inside-out meniscus suturing device according to claim 4, characterized in that: A screw rod (32) is threadedly connected to each of the stabilizing boxes (14).

9. The inside-out meniscus suturing device according to claim 1, characterized in that: The handle (5) is provided with patterns (33) and a blocking block (34).

10. The inside-out meniscus suturing device according to claim 1, characterized in that: The left end of each needle (8) is fixedly connected to a guide block (35).

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