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PERCUTANEOUS IMPLANTABLE NUCLEAR PROSTHESIS
专利权人:
Spinal Stabilization Technologies LLC
发明人:
HIBRI, Nadi, S.,FRANCIS, W., Loren,NOVOTNY, Mark, A.
申请号:
EP15857214
公开号:
EP3215069A4
申请日:
2015.11.04
申请国别(地区):
EP
年份:
2017
代理人:
摘要:
A prosthesis for implantation in a de-nucleated intervertebral disc includes a fiber ring-like layer which encloses a polymeric layer to create an annular space. The annular space is inflatable with an in-situ curable liquid polymer and forms an interior cavity. The annular space may be expanded uniformly or differentially to be tailored to the needs of a particular vertebral segment and to achieve optimal disc space width and angle, thereby stabilizing the segment while preserving normal motion of the vertebral segment. The interior cavity provides a void that allows inward deformation of the implant during weight bearing activities and bending. The prosthesis can be elastically deformed through axial elongation to a reduced profile to load into a delivery cannula using pulling techniques.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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