Spinal plate with internal screw locks
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United States of America Patent
Stats
-
Jan 29, 2008
Grant Date -
Jul 6, 2006
app pub date -
Jan 6, 2005
filing date -
Jan 6, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bone plate for stabilizing adjacent vertebrae or ends of a bone has a span for extending across the discontinuity. The span has brackets for attaching to the bone. The brackets have countersunk apertures terminating through which bone screws are placed in the bone. An eccentric cam bore is located between the countersunk apertures and, upon rotation of an eccentric cam, wedge grip shoes are slid into the countersunk apertures and frictionally engage the spherical heads of the bone screws. To prevent back-out of the bone screws, the eccentric cam is locked into the wedge grip shoes.
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