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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, and achieve the effect of reducing postoperative risks and protecting the spinal cord

Active Publication Date: 2020-11-06
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, 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.

[0023] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, 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 the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encomp...

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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 instruments, in particular to a vertebral body prosthesis. Background technique [0002] The human spine will be damaged due to illness or external force, 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 in patients with obvious neurological dysfunction or angular deformity. [0003] After vertebroplasty, the surrounding tissues will resume growth, and the tumor and tuberculosis may continue to recur. Surrounding tissues or diseased tissues may grow into the original spinal canal, occupying the space of spinal nerves and other tissues, resulting in Symptoms such as postoperative neurological dysfunction again lead to the need for reoperation or revision surgery, and there is even a risk of causing paraly...

Claims

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Application Information

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