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Tibial platform prosthesis assembly

A technology of tibial platform and prosthesis, which is applied in the field of medical prosthesis, can solve problems such as long time, achieve the effect of reducing production cost and improving installation stability

Inactive Publication Date: 2018-12-25
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, effective osseointegration and bone ingrowth take a long time and belong to the long-term fixation mode

Method used

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  • Tibial platform prosthesis assembly
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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0027] 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 the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish simila...

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Abstract

The invention provides a tibial platform prosthesis assembly. The tibial platform prosthesis assembly comprises a platform prosthesis and many types of fixation assemblies, wherein the fixation assemblies can be selectively mounted on the platform prosthesis. Since the fixation assemblies are detachably arranged on the platform prosthesis of the tibial platform prosthesis assembly, the fixation assemblies can be used for mechanically fixing the platform prosthesis during actual use, and then bone cement is used for fixation. Compared with conventional structures of platform prostheses in whichthe fixing assemblies are not arranged, the tibial platform prosthesis assembly has the advantages that the platform prosthesis is mechanically fixed, a foundation is laid for long-term bone integration, favorable conditions are created, and thus the platform prosthesis can be prevented from moving or loosening after installation. The installation stability of the tibial platform prosthesis assembly is improved.

Description

technical field [0001] The invention relates to the technical field of medical prosthesis, in particular to a tibial plateau prosthesis assembly. Background technique [0002] Total knee arthroplasty has become an effective method for the treatment of knee inflammatory arthritis. In total knee arthroplasty, artificial knee prostheses are mostly fixed with bone cement, that is, bone cement is used to fill the prosthesis and bone. The space between them, and form a noose on the surface of the prosthesis and bone respectively, thus forming a fixation. The clinical effect of bone cement fixation in the short and medium term is worthy of recognition, but in the long term, the bone cement layer will move, which will cause the displacement of the prosthesis and cause prosthesis loosening. [0003] Biological fixation is through the integration of bone tissue and the rough surface structure of the prosthesis (such as titanium slurry spraying, porous), bone cells can attach to the s...

Claims

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Application Information

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IPC IPC(8): A61F2/38
CPCA61F2/30749A61F2/389
Inventor 刘昆玺
Owner BEIJING AKEC MEDICAL
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