Orthopedic rod system
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United States of America Patent
Stats
-
Apr 24, 2012
Grant Date -
Feb 2, 2006
app pub date -
Oct 27, 2003
filing date -
Nov 4, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tulip-shaped rod-receiving member in a spinal rod system is provided with a transverse slot accessible from the top of the tulip member for placing the rod therein until the rod seats. A locking assembly includes a cap having inclined surfaces that cooperate with inclined surfaces on the rod-receiving member to lock and bias inwardly the rod-receiving member relative to the cap. A novel seating ring is provided for the bone screw to be supported in the tulip in a manner that maximizes support and optimizes axial alignment of forces.
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