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Intramedullary nail device

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

Pending Publication Date: 2022-02-25
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

[0006] The main purpose of the present invention is to provide an intramedullary nail device 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

[0032] 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.

[0033] 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 device. The intramedullary nail device comprises a first nail body, a second nail body and a third nail body; the second nail body is obliquely arranged at the first end of the first nail body in a penetrating manner; the third nail body is obliquely arranged in the middle of the first nail body in a penetrating mode, the third nail body supports the second nail body so that a triangular area can be defined among the first nail body, the second nail body and the third nail body, wherein the third nail body comprises a first nail body section and a second nail body section movably matched with the first nail body section, the first end of the first nail body section supports the second nail body, the second nail body section is arranged in the middle of the first nail body in a penetrating mode, and a buffering cylinder is arranged between the second end of the first nail body section and the first end of the second nail body 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 instruments, in particular to an intramedullary nail device. Background technique [0002] Proximal femoral (neck and intertrochanteric) fractures account for 90% of hip fractures. Elderly patients are often combined with osteoporosis, and the proportion of unstable intertrochanteric fractures after trauma is gradually increasing. The annual disability rate of proximal femoral fractures is as high as 50%. Even after active treatment and rehabilitation training, 1 The annual mortality rate is still 20% to 30%. [0003] For femoral intertrochanteric fractures, femoral intramedullary nails are usually used for fixation, and the possibility of internal fixation failure after the main nail of the femoral intramedullary nail is small. Femoral intramedullary nailing can reconstruct the connection of the fracture site, promote fracture healing and reduce complications. Femoral intramedullary nails have been wide...

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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