BREACHED PEDICLE SCREW
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United States of America Patent
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N/A
Issued Date -
Sep 24, 2009
app pub date -
Mar 24, 2009
filing date -
Mar 24, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bone screw apparatus adapted to replace a breached pedicle screw includes a proximal end and a distal end. The bone screw apparatus also includes an unthreaded eccentric portion and a threaded proximal portion and a threaded distal portion. The threaded proximal portion extends from the proximal end to the unthreaded eccentric portion. The threaded distal portion extends from the unthreaded eccentric portion to the distal end of the bone screw. In addition, the proximal portion and the distal portion each have a major diameter and a minor diameter.
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