Suture fixing system

By designing the tampon and installer in the suture fixation system, the problem of unstable fixation caused by friction between the suture and the bone plate and bone surface was solved, achieving stable fixation of the suture and fracture recovery.

CN223810657UActive Publication Date: 2026-01-20李连欣 +1
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Patent Information

Application Number
CN202423120394.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-20
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

During fracture fixation, sutures are prone to friction damage with the bone plate and bone surface, leading to unstable fixation.

Method used

A suture fixation system was designed, including a tampon and an installer. The tampon has locking threads on its sidewall that match the screw hole. The installer includes a gripping head, a connecting rod, and a handle. The suture is limited by the gripping groove and the suture hole to prevent slippage. The tampon rests against the bone surface to increase stability.

Benefits of technology

It reduces suture wear, increases fixation stability, promotes blood circulation, and improves fracture recovery.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223810657U_ABST
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Abstract

The utility model provides a suture fixing system, and belongs to the technical field of medical instruments. The suture fixing system comprises a filling nail and an installer, a locking thread is arranged on the side wall of the filling nail and matched with a screw hole, a holding groove is formed in the upper end of the filling nail, a first suture passing hole and a second suture passing hole are formed in the lower bottom face of the holding groove, a suture penetrates into the first suture passing hole from top to bottom, and the first suture passing hole is matched with the second suture passing hole. The second wire passes through the second wire passing hole from bottom to top; the installer comprises a holding head, a connecting rod and a handle which are sequentially arranged, the connecting rod is connected with the holding head and the handle, and the lower end of the holding head is matched with the holding groove. According to the suture fixing system, the suture penetrates through the packing nail, the packing nail is used for limiting the suture and can reduce abrasion to the suture, and the installer is used for installing the packing nail in a screw hole of a bone fracture plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical apparatus and instruments, and particularly relates to a suture fixing system. BACKGROUND

[0002] When a fracture occurs, the bone is often broken into multiple bone pieces, and an osteosynthesis plate and an osteosynthesis screw are often used to fix the fracture site. The osteosynthesis plate is provided with a plurality of screw holes, and the osteosynthesis plate cooperates with the osteosynthesis screw to restore the fracture site to a normal anatomical position. In the fixing process of the osteosynthesis plate, a suture is often used for auxiliary fixation. However, the suture is prone to being damaged due to friction with the osteosynthesis plate and the patient's bone surface during the fixing process, or a slipping phenomenon occurs, which affects the stability of the fixation. SUMMARY

[0003] The utility model discloses a suture fixing system, which aims to solve the problem of suture damage due to friction with the osteosynthesis plate and the bone surface.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a suture fixing system, which comprises: a tampon, the side wall of the tampon is provided with a locking thread, the locking thread is matched with a screw hole, the upper end of the tampon is provided with a holding groove, the lower bottom surface of the holding groove is provided with a first wire passing hole and a second wire passing hole, and the suture is passed into the first wire passing hole from top to bottom and passed out of the second wire passing hole from bottom to top; and

[0005] An installer, the installer comprises a holding head, a connecting rod and a handle arranged in sequence, the connecting rod connects the holding head and the handle, and the lower end of the holding head is matched with the holding groove.

[0006] In a possible implementation manner, the lower bottom surface of the holding groove is provided with a clearance groove, and the first wire passing hole and the second wire passing hole are arranged at the groove bottom of the clearance groove.

[0007] In a possible implementation manner, the height of the groove bottom of the clearance groove gradually decreases as it gradually approaches the center.

[0008] In a possible implementation manner, the lower end surface of the tampon is provided with a wire passing groove, and the wire passing groove is communicated with the lower ends of the first wire passing hole and the second wire passing hole.

[0009] In a possible implementation manner, the outer diameter of the tampon gradually decreases from top to bottom.

[0010] In a possible implementation manner, the holding head is provided with a wire passing hole, the wire passing hole sequentially penetrates the holding head, the connecting rod and the handle, and the wire passing hole is adapted for the passing of the suture.

[0011] In a possible implementation, the handle is provided with a wire winding groove.

[0012] In a possible implementation, the wire winding groove is arranged around the handle and along the length direction of the handle.

[0013] In a possible implementation, the wire winding groove is provided with multiple groups, and the wire winding grooves are arranged in parallel with each other.

[0014] In a possible implementation, the upper end of the handle is provided with a limiting groove for limiting the suture.

[0015] The suture fixing system has the advantages that:

[0016] Compared with the prior art, the tamper pin is arranged in the screw hole of the bone plate, the locking thread on the outer wall of the tamper pin is matched with the inner wall thread of the screw hole, the tamper pin is arranged in the screw hole, the patient's soft tissue is prevented from growing into the empty screw hole, damage to the patient's soft tissue is avoided when the bone plate is taken out, the lower end of the tamper pin is abutted against the patient's bone surface when the tamper pin is screwed into the screw hole, pressure is applied to the patient's bone surface, the broken bone is pressed, the stability of fixation is increased, the bone plate is lifted, the distance between the bone plate and the bone surface is increased, the compression of the bone plate on the bone surface is reduced, blood circulation is facilitated, and patient recovery is promoted, the installer includes a holding head, a connecting rod and a handle arranged in sequence, the upper end of the tamper pin is provided with a holding groove, the holding groove is matched with the holding head, the holding head is inserted into the holding groove, the holding and installation of the tamper pin are facilitated, the first wire hole and the second wire hole are arranged through the lower bottom surface of the holding groove, the suture sequentially passes through the first wire hole and the second wire hole and is led out from the holding groove, the tamper pin limits the suture, the suture is prevented from slipping, the tamper pin is installed on the bone plate, the suture passes around the upper end surface of the bone plate, the patient's tissue is fixed, the wear of the suture is reduced, and the stability of fixation is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0018] Figure 1 The three-dimensional structure diagram of the tamper pin used in the embodiments of the present application Figure 1 ;

[0019] Figure 2 The three-dimensional structure diagram of the tamper pin used in the embodiments of the present applicationFigure 2 ;

[0020] Figure 3 The filling nail three-dimensional structure schematic diagram used by the embodiment of the utility model Figure 3 ;

[0021] Figure 4 The filling nail vertical section structure schematic diagram used by the embodiment of the utility model

[0022] Figure 5 The holding device three-dimensional structure schematic diagram used by the embodiment of the utility model

[0023] Figure 6 The holding head three-dimensional structure schematic diagram used by the embodiment of the utility model

[0024] Figure 7 The handle three-dimensional structure schematic diagram used by the embodiment of the utility model

[0025] In the figure: 1, filling nail; 2, locking thread; 3, holding groove; 4, let - go groove; 5, first wire hole; 6, second wire hole; 7, interval crossbeam; 8, wire groove; 9, holding head; 10, connecting rod; 11, handle; 12, threading hole; 13, winding groove; 14, limiting groove. DETAILED DESCRIPTION

[0026] In order to make the technical problem, technical scheme and beneficial effect to be solved by the utility model more clear and obvious, the utility model is further explained in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0027] Please refer to Figures 1 to 7 , now a specific embodiment of a suture fixing system provided by the utility model is explained, including filling nail 1 and installation device, the side wall of filling nail 1 is provided with locking thread 2, locking thread 2 is matched with screw hole, the upper end of filling nail 1 is provided with holding groove 3, the lower bottom surface of holding groove 3 is provided with first wire hole 5 and second wire hole 6, suture is from top to bottom into first wire hole 5, from bottom to top and go out of second wire hole 6; installation device includes holding head 9, connecting rod 10 and handle 11 arranged in sequence, connecting rod 10 connects holding head 9 and handle 11, the lower end of holding head 9 is matched with holding groove 3.

[0028] The utility model provides a kind of suture fixing system, compared with prior art, it is provided with tamponade nail 1 and installation device, tamponade nail 1 is arranged in the screw hole of bone plate, the locking thread 2 of tamponade nail 1 outside wall setting is matched with the inner side wall thread of screw hole, tamponade nail 1 is arranged in screw hole, avoid patient soft tissue long into the screw hole of vacancy, avoid bone plate to be taken out, to patient soft tissue causes damage, with tamponade nail 1 is screwed into screw hole, the lower end of tamponade nail 1 is supported on patient bone surface, pressure is applied to patient bone surface, can be pressed to broken bone, increase the stability of fixed, lift bone plate, expand the distance of bone plate and bone surface, reduce the compression of bone plate to bone surface, help blood circulation, help to promote patient recovery, installation device includes sequentially arranged grip head 9, connecting rod 10 and handle 11, the upper end of tamponade nail 1 is provided with grip slot 3, grip slot 3 is matched with grip head 9, grip head 9 is inserted into grip slot 3, it is convenient to carry out the grip and installation of tamponade nail 1, first wire hole 5 and second wire hole 6 are arranged in the lower bottom surface of grip slot 3, suture sequentially passes through first wire hole 5 and second wire hole 6, from grip slot 3, tamponade nail 1 is positioned to suture, avoid suture to slip, tamponade nail 1 is installed on bone plate, suture bypasses the upper end surface of bone plate, and the tissue of patient is fixed, reduce the wear and tear of suture, increase the stability of fixed.

[0029] Specifically, please refer to Figures 1 to 7 , including tamponade nail 1 and installation device, tamponade nail 1 is installed in the screw hole of bone plate, grip slot 3 is arranged in the upper end surface of tamponade nail 1, first wire hole 5 and second wire hole 6 are arranged in the lower bottom surface of grip slot 3, and from top to bottom, the lower bottom surface of grip slot 3 is arranged, first wire hole 5 and second wire hole 6 are arranged at intervals, and interval beam 7 is formed between first wire hole 5 and second wire hole 6, first wire hole 5 and second wire hole 6 are arranged in parallel, when installing suture, suture is located below tamponade nail 1, the two ends of suture are inserted into first wire hole 5 and second wire hole 6 from the lower end respectively, and are inserted into grip slot 3, and are taken out from the upper end opening of grip slot 3, suture is pulled tight, tamponade nail 1 is arranged on suture, installation device includes sequentially arranged grip head 9, connecting rod 10 and handle 11, grip head 9 is arranged in the lower end of connecting rod 10, handle 11 is arranged in the upper end of connecting rod 10, the lower end of grip head 9 is matched with grip slot 3, the inner side wall of grip slot 3 is plum blossom shape, the outer side wall of grip head 9 is plum blossom shape matched therewith, grip head 9 is inserted into grip slot 3, it is convenient to carry out the grip and installation of tamponade nail 1.

[0030] As a kind of specific embodiment of the utility model provides a kind of suture fixing system, please refer to Figures 1 to 4 The lower bottom surface of grip slot 3 is provided with let slot 4, first wire hole 5 and second wire hole 6 are arranged in the groove bottom of let slot 4.

[0031] Specifically, please refer to Figures 1 to 4 The let-in groove 4 is arranged on the lower bottom surface of the holding groove 3, and the let-in groove 4 is convenient for the suture to pass out.

[0032] As a specific embodiment of the suture fixing system provided by the utility model, please refer to Figures 1 to 4 The height of the groove bottom of the let-in groove 4 gradually decreases with the gradual approach to the center.

[0033] Specifically, please refer to Figures 1 to 4 The side wall of the let-in groove 4 is a conical surface, and the vertex of the side wall of the let-in groove 4 is located below the opening of the let-in groove 4.

[0034] As a specific embodiment of the suture fixing system provided by the utility model, please refer to Figures 1 to 4 The lower end surface of the tampon 1 is provided with a wire passing groove 8, and the wire passing groove 8 is communicated with the lower ends of the first wire passing hole 5 and the second wire passing hole 6.

[0035] Specifically, please refer to Figures 1 to 4 The wire passing groove 8 is arranged on the lower end surface of the tampon 1, and the wire passing groove 8 is arranged between the first wire passing hole 5 and the second wire passing hole 6. The wire passing groove 8 is suitable for accommodating the suture, and the wire passing groove 8 is located below the spacing cross beam 7.

[0036] As a specific embodiment of the suture fixing system provided by the utility model, please refer to Figures 1 to 4 The outer diameter of the tampon 1 gradually decreases from top to bottom.

[0037] Specifically, please refer to Figures 5 to 7 The outer side wall of the tampon 1 is an inclined surface, and the outer diameter of the lower end of the tampon 1 is smaller than that of the upper end of the tampon 1, so that the tampon 1 is convenient to install.

[0038] As a specific embodiment of the suture fixing system provided by the utility model, please refer to Figures 5 to 7 The wire passing hole 12 is sequentially arranged through the holding head 9, the connecting rod 10 and the handle 11, and the wire passing hole 12 is suitable for the suture to pass through.

[0039] Specifically, please refer to Figures 5 to 7 The wire passing hole 12 is arranged along the length direction of the connecting rod 10 and sequentially passes through the handle 11, the connecting rod 10 and the holding head 9 from top to bottom. The wire passing hole 12 is arranged on the axis of the handle 11, the connecting rod 10 and the holding head 9. After the suture passes out from the tampon 1, the suture enters from the lower end of the wire passing hole 12 and passes out from the upper end of the wire passing hole 12.

[0040] As a specific embodiment of the suture fixing system provided by the utility model, please refer to Figures 5 to 7 The handle 11 is provided with a wire winding groove 13.

[0041] Specifically, please refer to Figures 5 to 7 , the winding groove 13 is arranged on the handle 11, the suture is threaded from the upper end of the threading hole 12, and the suture is threaded into the groove bottom of the winding groove 13, and the suture is temporarily fixed.

[0042] As a specific embodiment of a suture fixing system provided by the utility model, please refer to Figures 5 to 7 , the winding groove 13 is arranged around the handle 11 and along the length direction of the handle 11.

[0043] Specifically, please refer to Figures 5 to 7 , the winding groove 13 is an annular groove and is arranged along the outer side wall of the handle 11, and the winding groove 13 is vertically arranged, and the suture is wound on the groove bottom of the winding groove 13.

[0044] As a specific embodiment of a suture fixing system provided by the utility model, please refer to Figures 5 to 7 , the winding groove 13 is arranged in multiple groups, and the winding grooves 13 are arranged in parallel with each other.

[0045] Specifically, please refer to Figures 5 to 7 , the winding groove 13 is arranged in multiple groups, and the multiple groups of winding grooves 13 are arranged in parallel with each other, and the multiple groups of winding grooves 13 are symmetrically distributed on the handle 11 with the central axial surface of the handle 11 as a symmetric surface, and are suitable for winding of sutures of multiple lengths.

[0046] As a specific embodiment of a suture fixing system provided by the utility model, please refer to Figures 5 to 7 , the upper end of the handle 11 is provided with a limiting groove 14 for limiting the suture.

[0047] Specifically, please refer to ​ , the limiting groove 14 is arranged at the upper end of the handle 11, the limiting groove 14 is arranged in two groups, the two groups of limiting grooves 14 are arranged on both sides of the upper end opening of the threading hole 12, the two groups of limiting grooves 14 are symmetrically arranged on the handle 11 with the central axial surface of the handle 11 as a symmetric surface, and the depth of the limiting groove 14 gradually decreases with the gradual approach to the threading hole 12.

[0048] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A suture fixation system, characterized by, The application relates to a suture needle and a suture needle holder. The suture needle comprises a suture needle body, a side wall of the suture needle body is provided with locking threads matched with screw holes, an upper end of the suture needle body is provided with a holding groove, and a lower bottom surface of the holding groove is provided with a first wire passing hole and a second wire passing hole. The suture needle holder comprises a holding head, a connecting rod and a handle which are sequentially arranged, and the connecting rod connects the holding head and the handle. The lower bottom surface of the holding groove is provided with a clearance groove, and the first wire passing hole and the second wire passing hole are arranged on a groove bottom of the clearance groove.

2. A suture fixation system as in claim 1, wherein, The height of the groove bottom of the clearance groove gradually decreases while gradually approaching the center.

3. A suture fixation system as in claim 2, wherein, An upper end surface of the suture needle body is provided with a wire passing groove which is communicated with lower ends of the first wire passing hole and the second wire passing hole.

4. A suture fixation system as in claim 1, wherein, The outer diameter of the suture needle gradually decreases from top to bottom.

5. A suture fixation system as in claim 1, wherein, A wire passing hole is arranged on the holding head, the wire passing hole sequentially penetrates the holding head, the connecting rod and the handle, and the wire passing hole is suitable for wire passing.

6. A suture fixation system as in claim 1, wherein, A wire winding groove is arranged on the handle.

7. A suture fixing system as described in claim 6, characterized in that, The wire winding groove is arranged around the handle and along the length direction of the handle.

8. A suture fixing system as described in claim 7, characterized in that, The wire winding groove is provided with a plurality of groups, and the wire winding grooves are arranged in parallel with each other.

9. A suture fixation system as in claim 7, wherein, An upper end of the handle is provided with a limiting groove for limiting the wire.

10. A suture fixation system as in claim 6, wherein, ​