Locking mechanism with two-piece washer
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United States of America Patent
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-
Apr 17, 2012
Grant Date -
Jan 28, 2010
app pub date -
Jul 24, 2008
filing date -
Jul 24, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Locking mechanisms and methods of fixation, such as the fixation of a fixation device like a bone screw and of a rod to the spine. The locking mechanism includes a body, a rod seat and a set screw. The rod seat is configured to separate into two pieces when the rod exerts force on the top portion of the washer and the set screw limits movement of the washer toward the bottom of the locking mechanism.
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