A suture passer for facilitating suture passing in meniscus surgery
By designing a meshing tooth structure that is easy to hold and a meniscus wire passer connected to a rotating bearing, the problems of difficult-to-hold handles and complicated wire passing operations are solved, simplifying operations and enabling disposable use, reducing surgical time and complexity.
Patent Information
- Application Number
- CN202411175501.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2044-08-26
AI Technical Summary
The handle of the existing meniscus wire-passing device is difficult to hold, the wire-passing operation is complicated, and most of them are reusable and need to be repeatedly sterilized, which increases the operation time and difficulty.
A wire guide is designed, which includes a clamp rod, a needle rod, an active part and a side moving part. It adopts a meshing tooth structure and a rotary bearing connection to simplify operation and achieve disposable use, thereby reducing the complexity of surgery.
The operation is simple and labor-saving, shortens the operation time, improves convenience, and avoids the time waste caused by repeated disinfection.
Smart Images
Figure CN119074088B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of medical supplies, and in particular relates to a wire guide for meniscus surgery. Background Art
[0002] Injuries to soft tissues, such as ligaments, severely impact human mobility, necessitating surgical repair. During surgery, the injured soft tissue must be precisely sutured, and medical suture thread guides are crucial to the success of the procedure. Most existing products on the market are imported, expensive, and incompatible with the internal structure of the human body. Currently, no domestic companies are developing and manufacturing such products. Suture needles are often used instead of thread guides, but these are complex and tedious to operate, making the procedure difficult.
[0003] The following problems are commonly encountered in orthopedic surgery:
[0004] 1. The existing meniscus wire guide handle is not easy to hold, which may affect the overall operation time.
[0005] 2. The existing meniscus threading device is too complicated to pass the thread, which increases the operation time.
[0006] 3. Most of the existing meniscus thread passers are reusable soft tissue thread passers, which need to be repeatedly disinfected, are not very convenient, and increase the operation time. Summary of the Invention
[0007] In view of this, the present invention provides a wire-passing device for meniscus surgery, which reduces the difficulty of wire-passing and the complexity of repeated use.
[0008] The present invention adopts the following technical solutions to achieve the above technical effects:
[0009] A thread guide for facilitating thread passing in meniscus surgery comprises a clamp rod and a needle rod, and also comprises an active part and a side moving part; the clamp rod and the needle rod are arranged in parallel and can slide freely along their own central axis; the clamp rod and the needle rod are both provided with meshing teeth on the same side, and the tooth profile of the meshing teeth is a straight line;
[0010] The active part includes a tooth portion and a side push portion; the tooth portion is matched with the meshing teeth of the needle rod located at its top; the teeth at the top of the side moving part are matched with the meshing teeth of the clamp rod, and the side push portion of the active part is against one side of the side moving part to push the side moving part to rotate.
[0011] Furthermore, the active member, the side moving member, the clamp rod and the needle rod are all located in the same plane.
[0012] Furthermore, it also includes a shell; two rotating shafts are arranged in the shell; the active member and the side moving member are both located inside the shell, and the active member and the side moving member are both connected to the corresponding rotating shaft bearings.
[0013] Furthermore, a long tube is provided at one end of the shell, and the clamp rod and the needle rod are both located in the long tube, and one end of the clamp rod is pressed against the shell by a spring, and the other end exposed from the long tube is provided with a biting head; the outer end of the needle rod exposed from the long tube is provided with a puncture needle for cooperating with the biting head.
[0014] Furthermore, the occlusal head and the end of the clamp rod are hinged via a hinged rod; the hinged rod is parallel to the rotation axis.
[0015] Furthermore, a slide is provided at the end of the long tube, and the hinged end of the bite head is located in the slide and can slide freely along the slide; when the hinged end of the bite head is located at the end of the slide, the bite head and the puncture needle are close to each other, and when the hinged end of the bite head is located at the initial end of the slide, the bite head and the puncture needle are separated.
[0016] Furthermore, the active member further includes a pressing portion, which extends to the outside of the shell and is located in front of the shell handle.
[0017] Furthermore, a long needle hole is provided at the end of the long tube, and the puncture needle is located in the long needle hole and can move along the long needle hole; the engaging head is directly opposite to the puncture needle.
[0018] Furthermore, one end of the long tube is mounted on the outer shell by being fixedly connected to a threaded sleeve.
[0019] Compared with the prior art, the technical solution of the present invention has the following beneficial effects:
[0020] 1. Simple operation and labor-saving.
[0021] 2. Easy to pass the line and shorten the operation time
[0022] 3. As a disposable product, compared with traditional reusable soft tissue thread passers, it does not require repeated disinfection, reduces operation time, and is highly convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the appearance structure of an embodiment of the present invention;
[0024] Figure 2 Schematic diagram of the internal structure of an embodiment of the present invention.
[0025] Figure 3 It is an internal front view of an embodiment of the present invention;
[0026] Figure 4 This is a schematic structural diagram of the end of a long tube in an embodiment of the present invention;
[0027] In the figure: 1. housing, 2. actuating part, 3. long tube, 4. spring, 5. clamp rod, 6. side moving part, 7. side pushing part, 8. pressing part, 9. tooth part, 10. needle rod, 11. rotating axis I, 12. rotating axis II, 13. threaded sleeve, 14. occlusal head, 15. hinged end, 16. long hole for wiring harness, 17. puncture needle. DETAILED DESCRIPTION
[0028] The present invention will be further described below with reference to the accompanying drawings.
[0029] A thread guide for facilitating thread passing in meniscus surgery comprises a clamp rod and a needle rod, and also comprises an active part and a side moving part; the clamp rod and the needle rod are arranged in parallel and can slide freely along their own central axis; the clamp rod and the needle rod are both provided with meshing teeth on the same side, and the tooth profile of the meshing teeth is a straight line;
[0030] The active part includes a tooth portion and a side push portion; the tooth portion is matched with the meshing teeth of the needle rod located at its top; the teeth at the top of the side moving part are matched with the meshing teeth of the clamp rod, and the side push portion of the active part is against one side of the side moving part to push the side moving part to rotate.
[0031] Furthermore, the active member, the side moving member, the clamp rod and the needle rod are all located in the same plane.
[0032] Furthermore, it also includes a shell; two rotating shafts are arranged in the shell; the active member and the side moving member are both located inside the shell, and the active member and the side moving member are both connected to the corresponding rotating shaft bearings.
[0033] Furthermore, a long tube is provided at one end of the shell, and the clamp rod and the needle rod are both located in the long tube, and one end of the clamp rod is pressed against the shell by a spring, and the other end exposed from the long tube is provided with a biting head; the outer end of the needle rod exposed from the long tube is provided with a puncture needle for cooperating with the biting head.
[0034] Furthermore, the occlusal head and the end of the clamp rod are hinged via a hinged rod; the hinged rod is parallel to the rotation axis.
[0035] Furthermore, a slide is provided at the end of the long tube, and the hinged end of the bite head is located in the slide and can slide freely along the slide; when the hinged end of the bite head is located at the end of the slide, the bite head and the puncture needle are close to each other, and when the hinged end of the bite head is located at the initial end of the slide, the bite head and the puncture needle are separated.
[0036] Furthermore, the active member further includes a pressing portion, which extends to the outside of the shell and is located in front of the shell handle.
[0037] Furthermore, a long needle hole is provided at the end of the long tube, and the puncture needle is located in the long needle hole and can move along the long needle hole; the engaging head is directly opposite to the puncture needle.
[0038] Further, one end of the long tube is installed on the shell through a threaded sleeve fixedly connected thereto.
[0039] The method of use is as follows: 1. pass the suture through the bite head; 2. pass the suture to be sutured through the bite head groove; 3. insert the suture gun bite head into the body and aim at the part to be sutured; 4. operate the action piece to control the penetration needle to pass through the bite head, thereby achieving the threading; 5. loosen the action piece to pull out the threading device, thereby taking out the thread; and 6. repeat the above operations.
[0040] Reference Figures 1 to 4 , working principle; pull the press part, the tooth part drives the needle rod to extend outward and the side pushing part and the right side side moving part form a cam mechanism; at this time, the side moving part rotates clockwise and forms a gear and rack structure with the clamp rod, and the clamp rod compresses the spring to move leftward; the upper surface of the hinge end of the bite head is curved, which cooperates with the pipe orifice at the end of the long tube to form another cam mechanism (which is a known technology and will not be described again), and with the back pull of the clamp rod, the bite head is pressed down to achieve occlusion.
[0041] Continue to pull the press part, the needle rod and the tooth part form a gear and rack structure, the needle rod extends outward, and the penetration needle is ejected from the bundle needle long hole; loosen the press part, the spring pushes the clamp rod to drive the two cam mechanisms and the penetration needle back to the initial position.
[0042] It should be understood that the above description of the specific embodiments of the present patent is only an exemplary description for the convenience of those of ordinary skill in the art to understand the present patent scheme, and does not mean that the protection scope of the present patent is limited to only these examples, and those of ordinary skill in the art can obtain more specific embodiments by combining technical features, replacing part of the technical features, adding more technical features, etc. without any creative labor on the premise of fully understanding the technical scheme of the present patent, all these specific embodiments are within the scope of the claims of the present patent, therefore, these new specific embodiments should also be within the protection scope of the present patent.
[0043] In addition, for the purpose of simplifying the description, the present patent may not list some ordinary specific embodiments, which are naturally thought by those of ordinary skill in the art after understanding the technical scheme of the present patent, and obviously, these schemes should also be included in the protection scope of the present patent.
Claims
1. A thread guide for meniscus surgery, comprising a clamp rod and a needle rod, characterized in that: It also includes an active member and a side moving member; the clamp rod and the needle rod are arranged in parallel and can slide freely along their own central axis, and the clamp rod and the needle rod are both provided with meshing teeth on the same side, and the tooth profile of the meshing teeth is a straight line; The active member includes a tooth portion and a side push portion; the tooth portion is matched with the meshing teeth of the needle rod located at the top thereof; the teeth at the top of the side moving member are matched with the meshing teeth of the clamp rod, and the side push portion of the active member is pressed against one side of the side moving member to push the side moving member to rotate; It also includes a housing; two rotating shafts are provided in the housing; the active member and the side moving member are both located inside the housing, and the active member and the side moving member are both connected to the corresponding rotating shaft bearings; A long tube is provided at one end of the housing, and the clamp rod and the needle rod are both located in the long tube, with one end of the clamp rod being pressed against the housing by a spring, and the other end exposed from the long tube being provided with a bite head; the outer end of the needle rod exposed from the long tube is provided with a puncture needle for cooperating with the bite head; The occlusal head and the end of the clamp rod are hinged via a hinge rod; the hinge rod is parallel to the rotation axis; A slide is provided at the end of the long tube, and the hinged end of the occlusal head is located in the slide and can slide freely along the slide; when the hinged end of the occlusal head is located at the end of the slide, the occlusal head and the puncture needle are close to each other, and when the hinged end of the occlusal head is located at the initial end of the slide, the occlusal head and the puncture needle are separated.
2. A wire guide for facilitating wire passing in meniscus surgery according to claim 1, characterized in that: The active member, the side moving member, the clamp rod and the needle rod are all located in the same plane.
3. A wire guide for facilitating wire passing in meniscus surgery according to claim 1, characterized in that: The active member further includes a pressing portion, which extends to the outside of the shell and is located in front of the shell handle.
4. A wire guide for facilitating wire guiding in meniscus surgery according to claim 1, characterized in that: The end of the long tube is also provided with a long needle hole, the puncture needle is located in the long needle hole and can move along the long needle hole; the occlusal head is directly opposite to the puncture needle.
5. The wire guide for facilitating wire passing in meniscus surgery according to claim 1, characterized in that: One end of the long tube is mounted on the shell by a threaded sleeve fixedly connected thereto.
Citation Information
Patent Citations
Device for meniscus suture
CN110123400A
Suturing gun for suturing achilles tendon and ligament under arthroscope
CN116898507A