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Offset multiaxial or polyaxial screw, system and assembly
专利权人:
David Louis Kirschman
发明人:
David Louis Kirschman
申请号:
US13214428
公开号:
US08480714B2
申请日:
2011.08.22
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A capless multiaxial screw fixation assembly, including: a screw having a threaded portion and a screw head portion positioned at one end thereof and, a retainer having a first end, a second end opposite the first end, and a bore for receiving the screw threaded portion so that the screw head portion is seated therein. At least one of the screw and the retainer is configured such that the retainer is able to pivot about the screw head portion in a non-symmetrical manner.
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