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Intervertebral disc prosthesis

An intervertebral disc and prosthesis technology, applied in the field of prosthesis, can solve the problem that the contact stability cannot meet the needs of use, and achieve the effect of increasing the contact area

Pending Publication Date: 2021-03-09
BEIJING AKEC MEDICAL
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  • Description
  • Claims
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Problems solved by technology

[0004] The invention provides an intervertebral disc prosthesis to solve the problem that the contact stability between the intervertebral disc prosthesis and human bones cannot meet the use requirements in the prior art

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Embodiment Construction

[0037] 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.

[0038] like Figure 1 to Figure 17 As shown, the embodiment of the present invention provides an intervertebral disc prosthesis, which includes a first endplate 10, a second endplate 20, and an elastic nucleus pulposus 30, and the second endplate 20 is spaced apart from the first endplate 10. , the ...

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Abstract

The invention provides an intervertebral disc prosthesis. The intervertebral disc prosthesis comprises a first end plate, a second end plate and an elastic nucleus pulposus, wherein the outer surfaceof the first end plate is provided with a first arched surface, the second end plate and the first end plate are arranged at an interval, the outer surface of the second end plate is provided with a second arched surface, an included angle is formed between the central axis of the first arched surface and the central axis of the second arched surface, and the elastic nucleus pulposus is arranged between the first end plate and the second end plate. By means of the technical scheme, the problem that in the prior art, the contact stability of the intervertebral disc prosthesis and the human skeleton cannot meet use requirements can be solved.

Description

technical field [0001] The invention relates to the technical field of prostheses, in particular to an intervertebral disc prosthesis. Background technique [0002] Artificial intervertebral disc replacement is a new method for the treatment of intervertebral disc degenerative diseases in recent years. It is mainly used to treat intervertebral disc degenerative diseases such as discogenic low back pain. It began to be clinically applied in the 1980s. It not only resects the diseased intervertebral disc, but also restores the stability and activity function of the segment at the same time, theoretically avoiding the accelerated degeneration of adjacent segments caused by spinal fusion. In recent years, the development and application of artificial intervertebral discs have been carried out at home and abroad. The purpose is to not only achieve the effects of human intervertebral discectomy, decompression and fixation and fusion, but also prevent the degeneration of adjacent s...

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Application Information

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IPC IPC(8): A61F2/44A61F2/30
CPCA61F2/30767A61F2/442A61F2002/30199A61F2002/30934
Inventor 王彩梅
Owner BEIJING AKEC MEDICAL
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