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Apparatus for removing material from an intervertebral disc space and preparing end plates
专利权人:
发明人:
申请号:
EP11776959.6
公开号:
EP2629686B1
申请日:
2011.10.13
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
Instrument and method for removing material from an intervertebral disc. The instrument includes outer and inner tubular members. The outer tubular member defines a passage and a cutting window. The inner tubular member is coaxially disposed within the passage, and defines a central lumen and a cutting tip. The cutting tip forms an open mouth having a plurality of teeth. Upon assembly, the cutting tip is exposed within the cutting window combining to define a shaving head. A manual decorticating implement is coupled to the outer tubular member and defining a scraping surface. A powered handpiece is coupled to the inner tubular member, and the shaving head is inserted into an intervertebral disc and positioned such that the cutting tip contacts targeted material (e.g., nucleus, annulus and/or end plate). The handpiece is activated to rotate the cutting tip relative to the cutting window. Contacted material is sheared between an edge of the cutting window and the teeth of the cutting tip. The manual decorticating implement is used to remove intervertebral disc material from an end plate.
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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