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Spring clip-bottom loading polyaxial ball and socket fastener
专利权人:
发明人:
Robert L. Doubler,John E. Hammill, Sr.
申请号:
US14645507
公开号:
US09615858B2
申请日:
2015.03.12
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The bottom loading fastening system that 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 having at least two retainer rings within at least two retaining ring grooves for use in securing the spherical connector to the connecting assembly.
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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