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Low profile pedicle screw and rod assembly
专利权人:
Michael D. Ensign
发明人:
Michael D. Ensign,David T. Hawkes
申请号:
US11440549
公开号:
US08100947B2
申请日:
2006.05.25
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A pedicle screw and rod assembly is provided which has a low profile in the final assembled position. The pedicle screw includes a screw having a threaded portion and a head portion. A tulip is positioned on the head portion of the screw. A fastener assembly is coupled to the tulip and positioned to retain the tulip on the head portion. A rod retainer member is positioned inside the tulip and grips the rod, to hold it in position relative to the tulip assembly and pedicle screw. The top of rod retaining member is approximately equal in height to, or lower than the rod itself. This provides a low profile pedicle screw and rod assembly since the rod itself will normally be the uppermost member of the completed 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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