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Locking polyaxial ball and socket fastener
专利权人:
Ortho Innovations; LLC
发明人:
Hammill Sr., John E.,Doubler, Robert L.
申请号:
AU2009314046
公开号:
AU2009314046B2
申请日:
2009.11.12
申请国别(地区):
AU
年份:
2015
代理人:
摘要:
A polyaxial ball and socket joint that can be locked into a fixed position. The fastening system consists of the polyaxial ball and socket joint used in conjunction with a bone screw having threads on one end for use in anchoring to the spine and a spherical connector on the other end operating as a pivot point about which a connecting assembly moves in a polyaxial fashion. A substantially U-shaped connecting assembly has a lower receptacle that operates as a socket for housing an upper retainer ring and a lower split retaining ring. The socket is receptive to the spherical connector which is inserted through the lower split retainer ring causing a momentary displacement thereof which allows for the positioning of the spherical connector between the upper and lower retainer rings.
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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