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Intramedullary fusion part and femoral prosthesis assembly with same

A technology of femoral prosthesis and internal fusion, applied in prosthesis, femoral head, medical science, etc., can solve the problem of secondary injury of patients

Active Publication Date: 2021-02-23
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide an intramedullary fusion piece and its femoral prosthesis assembly to solve the problem of secondary injury to the patient when a large amount of bone cement is used to fix the end of the femoral prosthesis in the related art

Method used

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  • Intramedullary fusion part and femoral prosthesis assembly with same
  • Intramedullary fusion part and femoral prosthesis assembly with same
  • Intramedullary fusion part and femoral prosthesis assembly with same

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Embodiment Construction

[0029] 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.

[0030] 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 fusion part and a femoral prosthesis assembly with the same. The intramedullary fusion part comprises a fusion sleeve and an adjusting structure, wherein the fusion sleeve comprises a cylinder and a separation notch formed in the cylinder, and the cylinder is provided with a first side edge part and a second side edge part which are located at the separation notch; and the adjusting structure is arranged between the first side edge part and the second side edge part of the cylinder, so that the cylinder is provided with a positioning opening with the adjustable radial size. According to the technical scheme, the problem that in the related technology, when a large amount of bone cement is used for fixing the end of a femoral prosthesis, secondary injuries are caused to a patient is effectively solved.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to an intramedullary fusion piece and a femoral prosthesis assembly having the same. Background technique [0002] The medullary canal of the human femur usually has a large proximal port, a large distal port, and a small diameter in the middle part, which is called the attenuate part. Normal artificial joint replacement is to use the characteristics of the gradual reduction of the diameter between the large mouth and the narrow part of the proximal end, insert a femoral prosthesis with a similar structure, and stabilize the femoral prosthesis to complete the prosthesis replacement of the femoral part . [0003] When the proximal end of the femoral medullary cavity is severely defective, the proximal end of the femoral medullary cavity cannot effectively fix the femoral prosthesis, and a lengthened femoral prosthesis is routinely used for replacement. At this time, only the narrow pa...

Claims

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Application Information

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IPC IPC(8): A61F2/30A61F2/36A61F2/38
CPCA61F2/30721A61F2/30734A61F2/30749A61F2/30728A61F2/36A61F2/3859A61F2002/30092A61F2002/30622A61F2002/30738A61F2002/30545
Inventor 王彩梅张卫平
Owner BEIJING AKEC MEDICAL
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