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Lateral approach fusion cage

A technology of fusion device and left side wall, which is applied in the field of lateral approach fusion device, can solve the problems of affecting the fusion rate of bone graft, the height of the front cannot be adjusted, and the low matching degree of the physiological radian of the spine, etc., so as to restore the physiological curve of the human body , providing the effect of fusion rate

Pending Publication Date: 2021-07-23
SHANGHAI SANYOU MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the height of most lateral approach fusion devices on the market is fixed, and the front height of the lateral approach fusion devices cannot be adjusted, which does not match the physiological curvature of the spine very well, which affects the fusion rate of bone grafts.

Method used

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  • Lateral approach fusion cage
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Embodiment Construction

[0076] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0077] Please refer to attached picture. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At t...

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Abstract

The invention provides a lateral approach fusion cage. The lateral approach fusion cage comprises an upper cover plate, a lower cover plate, a supporting block, a driving rod, a left wedge-shaped block and a right wedge-shaped block. The lower surface of the upper cover plate comprises an upper cover left inclined plane, an upper cover lower plane and an upper cover right inclined plane which are sequentially connected from left to right; the upper surface of the lower cover plate comprises a lower cover left inclined plane, a lower cover upper plane and a lower cover right inclined plane which are sequentially connected from left to right; the upper cover plate and the lower cover plate are oppositely arranged; the supporting block is inserted into a storage cavity, and the rear part of the upper cover plate and the rear part of the lower cover plate are hinged to the rear part of the supporting block; a left-side thread part of the driving rod is located in a left-side channel, and a right-side thread part of the driving rod is located in a right-side channel; the thread turning direction of the left-side thread part is opposite to that of the right-side thread part; the left wedge-shaped block is arranged in the left channel; and the right wedge-shaped block is arranged in the right channel. Under the condition that the height of the rear part of the lateral approach fusion cage is fixed, the height of the front part of the lateral approach fusion cage can be adjusted.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a lateral approach fusion device. Background technique [0002] In spinal fusion surgery, there are many surgical approaches, among which the lateral approach is relatively simple. At present, most of the lateral approach fusion devices on the market are fixed in height, and the front height of the lateral approach fusion device cannot be adjusted, which does not match the physiological curvature of the spine to a high degree, which affects the fusion rate of bone grafting. Contents of the invention [0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a lateral approach fusion device with an adjustable front height, which is used to solve the above-mentioned problems in the prior art. [0004] To achieve the above purpose and other related purposes, the present invention provides a lateral approac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44A61B17/70
CPCA61F2/447A61B17/7074A61B2017/7073A61B17/7071A61B17/7083
Inventor 陈其昕李方财刘明岩侯淑玲刘幸
Owner SHANGHAI SANYOU MEDICAL CO LTD
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