Offset multiaxial or polyaxial screw, system and assembly
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United States of America Patent
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Oct 4, 2011
Grant Date -
Jun 25, 2009
app pub date -
Dec 19, 2007
filing date -
Dec 19, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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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