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Vertebral prosthesis

A vertebral body and prosthesis technology, applied in the field of vertebral body prosthesis, can solve problems such as lack of protection of the spinal cord, achieve the effect of reducing postoperative risks and protecting the spinal cord

Active Publication Date: 2018-02-09
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 a vertebral body prosthesis to solve the problem of lack of protection of the spinal cord after vertebroplasty in the prior art

Method used

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Embodiment Construction

[0022] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0023] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0024] For ease of description, spatially relative terms such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that spatially relative terms are intended to en...

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Abstract

The invention provides a vertebral prosthesis. The vertebral prosthesis includes a body for supporting a human vertebral body, and a protective casing connected with the body; a lumen for accommodating medulla spinalis is formed in the protective casing. The body of the vertebral prosthesis is used for supporting the human vertebral body after osteotomy, the protective casing wraps the medulla spinalis to replace a vertebral arch and other tissues after osteotomy, and the lumen is equivalent to the canalis vertebralis of the human vertebral body; therefore, the role of protecting the medulla spinalis is played to prevent other tissues from growing into and oppressing the medulla spinalis and reduce postoperative risks.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a vertebral body prosthesis. Background technique [0002] The human spine will be damaged due to patients or external forces, such as vertebral body tumors, severe comminuted fractures, and infectious diseases such as tuberculosis, which may lead to spinal cord and nerve damage or collapse of vertebral segments and angular deformity of the spine. Vertebrectomy is often required for patients with significant neurological dysfunction or angular deformity. [0003] After vertebrectomy, the surrounding tissue will resume growth, and the tumor and tuberculosis may continue to recur. The surrounding tissue or diseased tissue may grow into the original spinal canal, occupying the space of the spinal canal nerve and other tissues, causing Symptoms such as neurological dysfunction after surgery may lead to the need for reoperation or revision surgery, and even the risk of paralysis of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44
CPCA61F2/30721A61F2/44A61F2002/30316A61F2002/30718
Inventor 李健
Owner BEIJING AKEC MEDICAL
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