SPINAL STABILIZATION SYSTEM UTILIZING SCREW AND EXTERNAL FACET AND/OR LAMINA FIXATION
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United States of America Patent
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N/A
Issued Date -
Jan 12, 2012
app pub date -
Jun 30, 2011
filing date -
Jul 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A surgical implant for support of spinal vertebrae comprising a screw element having a threaded shank for screwing into a pedicle of a first vertebra and a fixation component that is moveably secured to the screw element. The fixation component has a first end for receiving the screw element and a fixation surface adapted to engage or attach to at least one of an external facet or laminar surface of a second vertebra. Various embodiments are provided for polyaxial movement of the fixation component relative to a polyaxial screw. Also, various apparatus and means for locking the screw element to the fixation component are provided.
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