Fastening device for memory alloy suture wire

A memory alloy and fastening device technology, applied in the field of medical devices, can solve the problems of high hardness, poor fastening effect, abnormally smooth surface of memory alloy suture wire, etc., and achieve the effect of ensuring safe operation and simple structure

Active Publication Date: 2017-01-18
杨西群
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fastening effect is not bad when it is just fastened, but the surface of the memory alloy suture wire is extremely smooth, and the hardness of the alloy suture wire is higher than that of plastic. The plastic buckle is stamped and slides along the impression, making the fastening less and less effective

Method used

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  • Fastening device for memory alloy suture wire
  • Fastening device for memory alloy suture wire
  • Fastening device for memory alloy suture wire

Examples

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Embodiment Construction

[0034] see Figure 1 to Figure 4 , the fastening device for memory alloy suture thread of the present invention comprises a base assembly, a left fastener assembly, and a right fastener assembly; the left fastener assembly, the base assembly, and the right fastener assembly are sequentially connected flexibly, and are generally molded by medical plastic at one time; The base assembly includes a base, a winding piece arranged in the middle of the bottom surface of the base, and two wire holes arranged on the base and located on both sides of the winding piece; the left fastener assembly includes a left chamber in the lower part, a left chamber in the upper part Fasteners; the middle part of the inner surface of the left fastener is provided with a pressing groove, and the left fastener is provided with two card holes through the inside and outside; the right fastener assembly includes a right chamber arranged in the lower part and a right fastener arranged in the upper part; Th...

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Abstract

The invention provides a fastening device for a memory alloy suture line. The fastening device comprises a base component, a left fastener component and a right fastener component; the left fastener component, the bottom component and the right fastener component are sequentially flexibly connected and are formed at one step by plastic moulding; when the left fastener component and the right fastener component are fastened oppositely above a base, two fasteners just respectively penetrate two fastening holes to be respectively fastened to the two fastening holes, a winding piece is located in a cavity formed by enclosing of the base, a left cavity and a right cavity, and the memory alloy suture line is just pressed through a pressure groove and a pressure tooth which are meshed. The fastening principle of winding prior to pressing is adopted, the memory alloy suture line is wound on the winding piece and then pressed by the pressure tooth and groove, the problem that the memory alloy suture line cannot be tied and screwed up is solved, loosening of the memory alloy suture line never occurs in any case, and operation safety is ensured.

Description

technical field [0001] The invention belongs to medical equipment, in particular to a locking device outside the body of a memory alloy suture wire after suturing a tendon. Background technique [0002] After the tendon is sutured with the memory alloy suture wire, in order to overcome the tension generated after the movement of the tendon tissue, the two ends of the suture wire must be fixed in vitro to tighten the tendon stump. [0003] Due to the superelasticity of the memory alloy suture wire at the temperature in the body and the characteristics of the material of the memory alloy suture wire are not easy to tighten and knot, so the memory alloy suture wire must be tightened in the form of external fixation. [0004] The existing fastening devices of memory alloy suture wire all use plastic buckles similar to snap-in buckles to press the alloy suture wire for fastening. The fastening effect is not bad when it is just fastened, but the surface of the memory alloy suture...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/04
CPCA61B17/04A61B17/0401A61B2017/0464A61B2017/0495A61B2017/0496
Inventor 杨西群
Owner 杨西群
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