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Intramedullary nail

An intramedullary nail and locking nail technology, applied in the field of intramedullary nails, can solve the problems of unstable inter-articular fusion and fixation, soft tissue damage, poor functional exercise, etc. Effect

Pending Publication Date: 2019-06-25
DABO MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Interarticular fusion and fixation are unstable, postoperative functional exercise is poor, and soft tissue damage is severe

Method used

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Embodiment Construction

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without cre...

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Abstract

The invention provides an intramedullary nail and belongs to the field of medical instruments. The intramedullary nail comprises a nail body, wherein the nail body comprises a guide section and a locking section which are connected, and the outer diameter of the locking section is gradually increased from an implanted end of the nail body to the tail end of the nail body; an anti-rotation thread is arranged on the outer peripheral surface of the locking section, and the pitch of the anti-rotation thread is gradually decreased from the implantation end to the tail end. According to the intramedullary nail, the compression effect is generated on the fusion part by the nail body through the gradual change thread, and the joint fusion degree is high and the operation success rate is high whenthe intramedullary nail is used.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an intramedullary nail. Background technique [0002] When treating avascular necrosis of the talus, traumatic arthritis of the ankle joint or subtalar joint, or pain affecting walking function, when tibiotalareal joint fusion is required, three methods are commonly used: one is hollow nail fixation, The second is to adopt an external fixator, and the third is to use an anatomical plate for ankle fusion. [0003] The inventor found in research that there are at least the following disadvantages in the existing hollow nails for the treatment of the above-mentioned diseases: [0004] Interarticular fusion and fixation were unstable, postoperative functional exercise was poor, and soft tissue damage was severe. Contents of the invention [0005] The object of the present invention is to provide an intramedullary nail. After the intramedullary nail is implanted into the joint, the ...

Claims

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Application Information

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IPC IPC(8): A61B17/72A61B17/86
Inventor 刘元刚张子佶刘崇兵李俊峰林清华焦叶辉
Owner DABO MEDICAL TECH CO LTD
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