Interbody fusion prosthesis

An intervertebral body and prosthesis technology, which is applied in the directions of prosthesis, medical science, spinal implants, etc., can solve the problems of instability, horizontal configuration, and difficulty in pushing into the front of the intervertebral body. burden, the effect of ensuring physical stability

Pending Publication Date: 2022-05-13
株式会社CG生物 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the conventional intervertebral body fusion prosthesis usually has a symmetrical quadrangular structure, and it is difficult to push it into the front of the curved intervertebral body.
As a result, the keels formed on the upper and lower parts of the intervertebral body fusion prosthesis cannot be placed horizontally with respect to the coronal plane, causing instability when the intervertebral body is fused

Method used

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Examples

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Embodiment Construction

[0046] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art of the present invention can easily implement them. The present invention can be realized in various forms and is not limited to the embodiments described here. In order to clearly describe the present invention, parts irrelevant to the description are omitted in the drawings, and the same reference numerals are attached to the same or similar structural elements throughout the specification.

[0047] In this specification, terms such as "comprising" or "having" should be understood as used to designate the existence of features, numbers, steps, actions, structural elements, components or their combinations described in the specification, and do not preclude a or the existence or additional possibility of other features or numbers, steps, actions, structural elements, parts or their combinations.

[0048] figure 1 ...

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Abstract

The invention discloses an interbody fusion prosthesis. An interbody fusion prosthesis according to an embodiment of the present invention comprises: a body including a receiving portion formed open up and down, an upper guide portion, and a lower guide portion; a moving member disposed in the housing part; a screw which is screwed to the body and which, when rotated, moves forward or rearward relative to the body so as to be integrated with the moving member; an upper plate having a guided portion guided by the upper guide portion, the upper plate being disposed on the upper portion of the body so as to engage with the moving member; and a lower plate having a guided portion guided by the lower guide portion, the lower plate being disposed at the lower portion of the body so as to engage with the moving member.

Description

technical field [0001] The present invention relates to an intervertebral body fusion prosthesis, and more particularly to an intervertebral body fusion prosthesis inserted into a space where an intervertebral disc has been removed to ensure spacing between adjacent vertebral bodies. Background technique [0002] The intervertebral body fusion prosthesis is a device used for fusion as a surgical treatment method for vertebral diseases. When the intervertebral disc is ruptured or weakened due to disease or accident, vertebral nerves are compressed and pain occurs. In this case, the damaged intervertebral disc is removed, and the intervertebral body from which the damaged part is removed is inserted to restore the space between the vertebrae and lordosis. (lordosis) and maintain intervertebral body fusion prosthesis to perform fusion between vertebrae. [0003] Like this, the intervertebral body fusion prosthesis is inserted into the intervertebral body between the vertebrae ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44A61F2/46
CPCA61F2/4455A61F2/4611A61F2002/30537A61F2002/30579A61F2002/4687A61F2002/30556A61F2/4601A61F2002/4627A61F2002/4629A61F2002/4638A61F2002/30433A61F2002/30518A61F2002/30383A61F2002/3039A61F2/447A61F2002/30593A61F2002/4622
Inventor 郑义树玄承宰
Owner 株式会社CG生物
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