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Prosthetic spinal disk nucleus

A technology for implanting prostheses and vertebrae, applied in prosthesis, medical science, surgery, etc., can solve the problem of not preserving the fibrous annulus, and achieve the effect of minimizing accompanying damage

Active Publication Date: 2015-12-09
脊柱稳定技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In these devices, no attempt was made to preserve the annulus, which remains healthy despite degeneration of the nucleus pulposus
Second, there is no existing method for removing and replacing intervertebral material and preserving the annulus fibrosus that is performed entirely percutaneously

Method used

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  • Prosthetic spinal disk nucleus
  • Prosthetic spinal disk nucleus
  • Prosthetic spinal disk nucleus

Examples

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Embodiment Construction

[0038] The following description is that of an exemplary embodiment of the present invention. This description should not be considered in a limiting sense, but rather is made for the purpose of illustrating the general principles of the invention. The individual inventive features described below can each be used independently of each other or in combination with other features.

[0039] In general terms, the present disclosure is directed to a surgical tool for accessing the nucleus pulposus of an intervertebral disc and a surgically implantable intervertebral disc prosthesis.

[0040] An exemplary implementation of the invention includes components of a surgical kit for accessing portions of an intervertebral disc, removing or replacing tissue, and delivering and implanting a prosthetic device. In one exemplary embodiment, the kit includes an access and delivery cannula, a nucleotomy tool for removing the nucleus pulposus, a delivery and expansion stylet for delivering the...

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Abstract

This specification describes technologies relating to an intervertebral disc prosthesis used to strengthen and stabilize the spine. Implementations of the technology described herein comprise a surgical device that is implanted through a small surgical incision into a portion of a human intervertebral disc, various support tools used to insert such a surgical device, and a method by which the device is used to strengthen and stabilize the spine.

Description

technical field [0001] The present invention relates to surgical implant devices, and more particularly to intervertebral disc prostheses. Background technique [0002] The human spine is an important part of human physiology, housing and protecting the spinal cord and providing structural support to the body. In the average human body, the spine consists of twenty-four articulated and nine fused vertebrae, and is usually divided into several regions, including the cervical, thoracic, sacral, and coccygeal regions. [0003] Although there are variations between each vertebra according to its location and region, vertebrae generally include the vertebral body, pedicles, lamina, spinous processes, transverse processes, articular surfaces, and spinal canal, each of which provides It plays an important role in the overall support and protection function of the body. Of these features, the vertebral bodies are particularly important in providing support. The vertebral body is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44A61F2/46
CPCA61F2/4611A61B17/1671A61F2/44A61F2002/30092A61F2002/30235A61F2002/3024A61F2002/30448A61F2002/30579A61F2002/30584A61F2002/30586A61F2002/4435A61F2002/444A61F2002/4627A61F2002/4693A61F2002/4694A61F2250/0003A61F2250/0069
Inventor 詹姆斯·道格拉斯·卢茨纳迪·萨拉赫·希布里
Owner 脊柱稳定技术有限公司
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