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Intramedullary nail mechanism

An intramedullary nail and inner hole technology, which is applied in the field of intramedullary nail mechanism and can solve the problems of cutting out the intramedullary nail to the outside of the femur, etc.

Pending Publication Date: 2022-03-01
北京理贝尔生物工程研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide an intramedullary nail mechanism to solve the problem in the related art that the intramedullary nail implanted in the femur is cut out of the femur

Method used

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Embodiment Construction

[0036]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0037] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include ...

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Abstract

The invention provides an intramedullary nail mechanism. The intramedullary nail mechanism comprises a first implantation nail; the second implanting nail is arranged at the first end of the first implanting nail in a penetrating manner and is obliquely arranged relative to the first implanting nail; the third implanting nail is arranged in the middle of the first implanting nail in a penetrating mode and obliquely arranged relative to the first implanting nail, the third implanting nail comprises a first connecting nail section and a second connecting nail section, the first connecting nail section and the second connecting nail section can move relatively, the first end of the first connecting nail section is connected with the second implanting nail, and the second end of the second connecting nail section is connected with the second implanting nail. The second connecting nail section is arranged in the middle of the first implanting nail in a penetrating mode, and an elastic buffering structure is arranged between the second end of the first connecting nail section and the first end of the second connecting nail section. According to the technical scheme, the problem that in the prior art, an intramedullary nail implanted into the femur is cut out of the femur is effectively solved.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an intramedullary nail mechanism. Background technique [0002] For unstable intertrochanteric fractures, femoral intramedullary nails are usually used for fixation. The first implanted nail passes through the femoral medullary cavity, and the eccentric distance is relatively short. The possibility of postoperative internal fixation failure is less than that of extramedullary fixation. Insertion of nails can reconstruct the connection of the intertrochanteric fracture site, and the patient's limb function can be restored after the fracture heals. The current femoral intramedullary nail mechanism still has a high rate of internal fixation failure in the treatment of unstable intertrochanteric fractures. [0003] Studies have shown that the medial wall, lateral wall, and superior lateral wall of the proximal femur are important structural foundations for maintaining the stability of...

Claims

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Application Information

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IPC IPC(8): A61B17/72A61B17/74A61B17/76A61B17/78
CPCA61B17/7233A61B17/7241A61B17/725A61B17/744A61B17/742
Inventor 袁博文李健廖棋宾赵梦楠
Owner 北京理贝尔生物工程研究所有限公司
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