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Semi-threaded anchor with suture

A semi-thread and anchor technology, which is applied in the application, surgical instruments, etc., can solve the problems of unstable anchor fixation, patient discomfort, and inflammation, so as to reduce the amount of nail body materials, improve surgical efficiency, and improve biological quality. compatibility effect

Pending Publication Date: 2018-01-16
YUNYI BEIJING MEDICAL INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the suture knot is exposed on the surface of the bone, it is easy to generate friction, resulting in damage to the suture knot, and the anchor is not firmly fixed, which easily causes discomfort to the patient and is accompanied by inflammation, resulting in slow healing.

Method used

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  • Semi-threaded anchor with suture
  • Semi-threaded anchor with suture
  • Semi-threaded anchor with suture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1 of the present invention: as figure 1 , figure 2 , image 3 , Figure 5 and 6 As shown, a half-threaded anchor with thread includes an anchor body 1, a threaded portion 2 is formed on the outer side of the anchor body 1, and a threading hole 3 is formed through the inside of the anchor body 1. The threading hole 3 is a circular hole or an inner hexagonal hole, which is suitable for repairing tools of different specifications. A plurality of cut-out portions 4 are provided on the threaded portion 2 staggered, and each cut-out portion 4 includes a first cut-out surface 5 and a second cut-out surface 6 . The number of thread threads spanning up and down each cut-out portion 4 is one, two, three or four. An included angle is formed between the first cut surface 5 and the second cut surface 6 . The angle between two adjacent cut-out portions 4 is 25°˜35°. That is to say, when viewed from the front end or rear end of the anchor body 1, the included angle ...

Embodiment 2

[0033] Example 2: as figure 1 , figure 2 , Figure 4 , Figure 5 and 6 As shown, a half-threaded anchor with thread includes an anchor body 1, a threaded portion 2 is formed on the outer side of the anchor body 1, and a threading hole 3 is formed through the inside of the anchor body 1. The threading hole 3 is a circular hole or an inner hexagonal hole, which is suitable for repairing tools of different specifications. A plurality of cut-out portions 4 are provided on the threaded portion 2 staggered, and each cut-out portion 4 includes a first cut-out surface 5 and a second cut-out surface 6 . The number of thread threads spanning up and down each cut-out portion 4 is one, two, three or four. An included angle is formed between the first cut surface 5 and the second cut surface 6 . The angle between two adjacent cut-out portions 4 is 25°˜35°. That is to say, when viewed from the front end or rear end of the anchor body 1, the included angle formed between the two adja...

Embodiment 3

[0035] Example 3: as figure 1 and figure 2 As shown, a half-threaded anchor with thread includes an anchor body 1, a threaded portion 2 is formed on the outer side of the anchor body 1, and a threading hole 3 is formed through the inside of the anchor body 1. The screw portion 2 is provided with a plurality of cut-out portions 4 in dislocation, and each cut-out portion 4 includes a first cut-out surface 5 and a second cut-out surface 6, and an included angle is formed between the first cut-out surface 5 and the second cut-out surface 6. The arrangement of the threaded portion 2 and the cut-out portion 4 enables the anchor body 1 to be better fixed inside the bone, and has the effects of preventing rotation and pulling out. In addition, the threading hole 3 and the cut-out portion 4 also facilitate the circulation of fluid in the bone after the operation, and facilitate the faster repair of the soft tissue. Specifically, the material of the anchor body 1 is PEEK material, th...

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Abstract

The invention discloses an anchor with a suture and particularly provides a semi-threaded anchor with a suture. The semi-threaded anchor comprises an anchor body (1), wherein a threaded portion (2) isarranged on the outer side face of the anchor body (1), and a threading hole (3) is formed in the anchor body (1) in a penetrating mode. A plurality of cutting portions (4) are arranged on the threaded portion (2) in a staggered mode, each of the cutting portions (4) comprises a first cutting face (5) and a second cutting face (6), and an included angle is formed by the first cutting face (5) andthe second cutting face (6). The anchor with the suture does not need knot tying on the bond surface, so that the anchor is firmer in fixing after operation, rehabilitation is quicker, a postoperative effect is better, and no untoward effect is produced.

Description

technical field [0001] The invention relates to a wire anchor, in particular to a half-threaded wire anchor. Background technique [0002] The anchor is used to reconnect the soft tissue and bone with sutures clinically, and the anchor is embedded in the bone to fix the torn tendon tissue, so as to achieve the purpose of tendon-bone healing. The anchors in the prior art are designed with knots, that is, the sutures at the ends of the anchors are knotted and fixed externally. Publication No. CN104027140A discloses a patent application titled "A three-hole anchor with thread", which fixes the anchor body on the bone during surgery, and each threading hole is used for threading the suture and making the anchor. Both ends of the suture are embedded in the thread grooves connected to the inlet of the threading hole and the outlet of the threading hole respectively, and then the two ends of the suture are passed through the extensor tendon insertion point, and the upper end of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/04
Inventor 赵学东吕心建杨靖宇刘继强
Owner YUNYI BEIJING MEDICAL INSTR CO LTD