Split type bone anchor fixing system

Abstract

The utility model discloses a split type bone anchor fixing system, and relates to the field of medical instruments, the bone anchor fixing system is of a split type structure, the bone anchor fixing system structurally comprises an anchor structure and a rotary handle, the anchor structure comprises an anchor main body, an anchor threading hole structure and a suture, the rivet structure is divided into a suture inner row rivet structure, a suture outer row rivet structure and a suture inner row and outer row rivet composite structure, the rivet threading hole structure is installed at the upper end of the rivet main body, the lower end of the rivet main body and the rotary handle are installed, and sutures comprise an inner row suture and an outer row suture. The inner row of sutures and the outer row of sutures can be used independently or can be used in a manner of combining the inner row of sutures and the outer row of sutures, and the anchor threading hole structure comprises inner row of suture threading holes and outer row of suture threading holes. The split type surgical forceps are of a split type structure, are suitable for different surgical modes, and are wide in application range; and convenience and high efficiency of the anchor in the actual operation process are improved.

Description

Technical Field

[0001] The utility model relates to the field of medical instruments, in particular to a split bone anchor fixation system. Background Art

[0002] Bone anchor, a commonly used instrument in the medical field, is an absorbable screw. It is a biodegradable screw made of polyglycolic acid (OSM) and polylactic acid (OKM). It is used for ankle and elbow fractures and anterior cervical fixation surgery with good results. Similarly, it also performs well in other medical treatments such as ligament rupture.

[0003] In the prior art, bone anchors are mostly one-piece structures, which are not very convenient in actual medical treatment, and there are many postoperative problems in the postoperative recovery, including instability, nail withdrawal and other problems. Utility Model Content

[0004] In order to solve the problems of bone anchors in the prior art, the utility model provides a split bone anchor fixation system, which is a split structure, has a variety of application structures, is easy to use, is designed with its own fixed structure, and has a stable structure.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] As shown in the accompanying drawings, the utility model provides a split bone anchor fixation system, which is a split structure, including an anchor structure and a rotating handle, the anchor structure including an anchor body, an anchor threading hole structure and a suture, the anchor structure is divided into a suture inner row anchor structure, a suture outer row anchor structure and a suture inner row and outer row anchor composite structure, the anchor threading hole structure is installed on the upper end of the anchor body, the lower end of the anchor body is installed on the rotating handle, the suture includes an inner row suture and an outer row suture, the inner row suture and the outer row suture can be used separately or in combination, and the anchor threading hole structure includes an inner row suture threading hole and an outer row suture threading hole.

[0007] In the above-mentioned split bone anchor fixation system, the inner row of suture anchor structure includes inner row of sutures, an anchor body, and an anchor threading hole structure. The inner row of sutures passes through the inner row of suture threading holes on the anchor threading hole structure, and the inner row of sutures is used alone.

[0008] In the above-mentioned split bone anchor fixation system, the outer row of suture anchor structure includes outer row of sutures, an anchor body, and an anchor threading hole structure. The outer row of sutures pass through the outer row of suture threading holes on the anchor threading hole structure, and the outer row of sutures are used alone.

[0009] The above-mentioned split bone anchor fixation system, the inner row of sutures and outer row of anchor composite structure includes an inner row of sutures, an outer row of sutures, an anchor body, and an anchor threading hole structure. The inner row of sutures passes through the inner row of suture threading holes on the anchor threading hole structure, and the outer row of sutures passes through the outer row of suture threading holes on the anchor threading hole structure. The inner row of sutures and the outer row of sutures are used in combination.

[0010] In the above-mentioned split bone anchor fixation system, both ends of the inner row of suture threading holes in the anchor threading hole structure are provided with wire grooves, and the inner row of sutures are pressed into the wire grooves after passing through the inner row of suture threading holes, so that the installation of the anchor threading hole structure can be smoothly completed with or without the inner row of sutures.

[0011] The above-mentioned split bone anchor fixation system has a hollow structure inside the rotating handle, and an inner row of suture tubes are arranged inside the hollow structure. The inner row of sutures are located in the inner row of suture tubes and are squeezed and installed with the inner row of suture threading holes. The anchor body is sleeved on the outside of the inner row of suture tubes, and the handle of the rotating handle is provided with a through hole to facilitate observation and adjustment of the sutures located inside the rotating handle.

[0012] In the above-mentioned split bone anchor fixation system, the inner side wall of the anchor body is provided with waist-shaped holes arranged along the axial direction, which effectively ensures that the anchor is fully fixed during bone healing and prevents the occurrence of nail withdrawal.

[0013] In the above-mentioned split bone anchor fixation system, the anchor threading hole structure is used to insert the inner row of sutures and the outer row of sutures by installing a thread guide.

[0014] In the above-mentioned split bone anchor fixation system, the outer diameter of the anchor body ranges from 3.5 mm to 6.5 mm.

[0015] The beneficial effect of the utility model is that the split bone anchor fixation system described in the present application is a split structure. Through different usage methods of the anchor structure, the anchor structure can be divided into an inner row of suture anchor structure, an outer row of suture anchor structure and a composite structure of inner row and outer row of suture anchors, which are respectively suitable for surgical procedures in different situations and have a wide range of applications; the design of the anchor threading hole structure makes it possible to fix the wireless knot structure between the suture and the anchor body when used as an outer row of suture anchor structure, thereby realizing convenience and efficiency in the actual surgical process of the anchor; the outer row of suture threading holes in the anchor threading hole structure reserve threading holes for the subsequent threading of the outer row of sutures, and the threading holes can pass round sutures and flat sutures. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the assembly structure of the bone anchor of the utility model;

[0018] Figure 2 It is a schematic diagram of the inner row anchor structure of the suture of the utility model;

[0019] Figure 3 It is a schematic diagram of the outer row anchor structure of the suture of the utility model;

[0020] Figure 4 It is a schematic diagram of the composite structure of the inner row and outer row of suture anchors of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the anchor main body of the utility model;

[0022] Figure 6 for Figure 5 A schematic diagram of the structure of the mid-waist hole;

[0023] Figure 7 for Figure 1 A magnified schematic diagram of the local structure shown in the middle circular area.

[0024] 1. Outer row of sutures, 2. Inner row of suture tubes, 3. Anchor body, 4. Rotary handle, 5. Anchor threading hole structure, 6. Inner row of sutures, 7. Outer row of suture threading holes, 8. Waist-shaped holes, 9. Inner row of suture threading holes. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] [Example 1]

[0027] As shown in the accompanying drawings, the utility model provides a split bone anchor fixation system, which is a split structure. The structure includes an anchor structure and a rotary handle 4. The anchor structure includes an anchor body 3, an anchor threading hole structure 5 and a suture. The anchor structure is divided into a suture inner row anchor structure, a suture outer row anchor structure and a suture inner row and outer row anchor composite structure. The anchor threading hole structure 5 is installed on the upper end of the anchor body 3, and the lower end of the anchor body 3 is installed on the rotary handle 4. The suture includes an inner row suture 6 and an outer row suture 1. The inner row suture 6 and the outer row suture 1 can be used separately or in combination. The anchor threading hole structure 5 includes an inner row suture threading hole 9 and an outer row suture threading hole 7.

[0028] Furthermore, the inner row of suture anchor structure includes inner row of sutures 6, an anchor body 3, and an anchor threading hole structure 5. The inner row of sutures 6 pass through the inner row of suture threading holes 9 on the anchor threading hole structure 5, and the inner row of sutures 6 are used alone.

[0029] Furthermore, the outer row of suture anchor structure comprises an outer row of sutures 1, an anchor body 3, and an anchor threading hole structure 5. The outer row of sutures 1 passes through the outer row of suture threading holes 7 on the anchor threading hole structure 5, and the outer row of sutures 1 is used alone.

[0030] Furthermore, the inner row of sutures and outer row of anchor composite structure includes an inner row of sutures 6, an outer row of sutures 1, an anchor body 3, and an anchor threading hole structure 5. The inner row of sutures 6 passes through the inner row of suture threading holes 9 on the anchor threading hole structure 5, and the outer row of sutures 1 passes through the outer row of suture threading holes 7 on the anchor threading hole structure 5. The inner row of sutures 6 and the outer row of sutures 1 are used in combination.

[0031] Furthermore, wire grooves are provided at both ends of the inner row of suture threading holes 9 in the anchor threading hole structure 5. The inner row of sutures 6 are passed through the inner row of suture threading holes 9 and pressed into the wire grooves, so that the installation of the anchor threading hole structure 5 can be completed smoothly with or without the inner row of sutures 6.

[0032] Furthermore, the interior of the rotary handle 4 is a hollow structure, and an inner row of suture tubes 2 are arranged inside the hollow structure. The inner row of sutures 6 are located in the inner row of suture tubes 2 and are extruded and installed at the inner row of suture threading holes 9. The anchor body 3 is sleeved on the outside of the inner row of suture tubes 2, and the handle of the rotary handle 4 is provided with a through hole to facilitate observation and adjustment of the sutures located inside the rotary handle 4.

[0033] Furthermore, the inner side wall of the anchor body 3 is provided with waist-shaped holes 8 arranged along the axial direction, which effectively ensures that the anchor is fully fixed during bone healing and prevents the occurrence of nail withdrawal.

[0034] Furthermore, the anchor threading hole structure 5 is used to insert the inner row of sutures 6 and the outer row of sutures 1 by installing a thread guide.

[0035] Furthermore, the outer diameter of the anchor body 3 ranges from 3.5 mm to 6.5 mm, meeting the requirements of surgical sites at various joints of the body.

[0036] Furthermore, the outer row of suture threading holes 7 can be used to pass round sutures and flat sutures.

[0037] The split anchor fixing structure described in the utility model is designed by the structural design of the two parts of the anchor threading hole structure 5 (including its own structure and the wire groove, such as Figure 2 structure), so that the structure can be used as an anchor structure outside the suture (such as Figure 3 ) When used, it plays a role in fixing the wireless knot structure between the suture and the anchor body 3, realizing the convenience and efficiency of the actual anchor surgery process.

[0038] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A split bone anchor fixation system, characterized in that: The bone anchor fixation system is a split structure, comprising an anchor structure and a rotary handle (4), the anchor structure comprising an anchor body (3), an anchor threading hole structure (5) and a suture, the anchor structure being divided into an inner row suture anchor structure, an outer row suture anchor structure and an inner row and outer row suture anchor composite structure, the anchor threading hole structure (5) being installed at the upper end of the anchor body (3), the lower end of the anchor body (3) being installed at the rotary handle (4), the suture comprising an inner row suture (6) and an outer row suture (1), the inner row suture (6) and the outer row suture (1) being usable separately or in combination, the anchor threading hole structure (5) comprising an inner row suture threading hole (9) and an outer row suture threading hole (7).

2. The split bone anchor fixation system according to claim 1, characterized in that: The inner row suture anchor structure comprises an inner row suture (6), an anchor body (3), and an anchor threading hole structure (5); the inner row suture (6) passes through the inner row suture threading holes (9) on the anchor threading hole structure (5); and the inner row suture (6) is used alone.

3. The split bone anchor fixation system according to claim 1, characterized in that: The outer row of suture anchor structure comprises an outer row of sutures (1), an anchor body (3), and an anchor threading hole structure (5); the outer row of sutures (1) pass through the outer row of suture threading holes (7) on the anchor threading hole structure (5); and the outer row of sutures (1) are used alone.

4. The split bone anchor fixation system according to claim 1, characterized in that: The inner row of sutures and outer row of anchors composite structure comprises an inner row of sutures (6), an outer row of sutures (1), an anchor body (3), and an anchor threading hole structure (5); the inner row of sutures (6) pass through the inner row of suture threading holes (9) on the anchor threading hole structure (5); the outer row of sutures (1) pass through the outer row of suture threading holes (7) on the anchor threading hole structure (5); and the inner row of sutures (6) and the outer row of sutures (1) are used in combination.

5. The split bone anchor fixation system according to any one of claims 1 to 4, characterized in that: The inner row of suture threading holes (9) in the anchor threading hole structure (5) are provided with thread grooves at both ends, and the inner row of sutures (6) are pressed into the thread grooves after passing through the inner row of suture threading holes (9).

6. The split bone anchor fixation system according to claim 1, characterized in that: The interior of the rotary handle (4) is a hollow structure, an inner row suture tube (2) is arranged inside the hollow structure, the inner row suture (6) is located inside the inner row suture tube (2) and is extruded and installed with the inner row suture threading hole (9), the anchor body (3) is sleeved on the outside of the inner row suture tube (2), and the handle of the rotary handle (4) is provided with a through hole.

7. The split bone anchor fixation system according to claim 1, characterized in that: The inner side wall of the anchor body (3) is provided with waist-shaped holes (8) arranged along the axial direction.

8. The split bone anchor fixation system according to claim 1, characterized in that: The anchor threading hole structure (5) is used to insert the inner row of sutures (6) and the outer row of sutures (1) by installing a thread guide.

9. The split bone anchor fixation system according to claim 1, characterized in that: The outer diameter of the anchor body (3) ranges from 3.5 mm to 6.5 mm.

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