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Intramedullary locking needle with terminal extramedullary locking function

A functional and bone marrow technology, applied in the direction of fixators, internal fixators, internal bone synthesis, etc., can solve the problems of secondary injury, intramedullary needle loosening, shifting and wandering, so as to avoid complications and improve postoperative recovery Effects, Effects that Enhance Healing Effects

Pending Publication Date: 2022-08-05
遵义医科大学第五附属(珠海)医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the intramedullary needle is easy to loosen, shift and wander, resulting in a series of complications and secondary injuries

Method used

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  • Intramedullary locking needle with terminal extramedullary locking function
  • Intramedullary locking needle with terminal extramedullary locking function
  • Intramedullary locking needle with terminal extramedullary locking function

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Embodiment Construction

[0021] This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Each technical feature and overall technical solution of the invention should not be construed as limiting the protection scope of the invention.

[0022] In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

[0023] In the description of the present in...

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Abstract

The invention discloses a clavicle intramedullary needle with a terminal extramedullary locking function, relates to the technical field of medical instruments, and can solve the problem of looseness and displacement of an intramedullary needle, avoid complications caused by looseness and displacement and improve the treatment effect and the postoperative recovery effect. The invention discloses an intramedullary locking needle with a terminal extramedullary locking function. The intramedullary locking needle comprises a needle body and a locking and fixing mechanism, the needle body is used for intramedullary fixation of a fractured clavicle. And the locking and fixing mechanism is sleeved on the needle body. The locking and fixing mechanism is used for fixing the needle body. The needle body can be inserted into a fractured clavicle marrow cavity to fix a fractured clavicle, and the locking and fixing mechanism can fix the needle body on a bone substance, so that the needle body is prevented from loosening and displacing, complications are avoided, and the treatment effect and the postoperative recovery effect are improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a locked intramedullary needle with a terminal extramedullary locking function. Background technique [0002] Middle clavicle fracture is a common type of fracture, and its surgical internal fixation includes intramedullary fixation and extramedullary fixation. [0003] Extramedullary fixation is represented by steel plate, which has the advantages of good stability of fracture fixation, but the disadvantage is that there is a lot of peeling around the clavicle, and the blood supply is damaged. In addition, the fixation is too strong and produces stress shielding. Non-union or delayed union, prone to refracture when internal fixation is taken. [0004] Intramedullary fixation methods include elastic intramedullary needle and ordinary Kirschner wire fixation. The advantages are less peeling of soft tissue around the clavicle, less damage to blood supply, less tissue damag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/72
CPCA61B17/7233A61B17/725
Inventor 王德伟
Owner 遵义医科大学第五附属(珠海)医院
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