Variable locking stabilizer anchor seat and screw
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United States of America Patent
Stats
-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Nov 19, 1993
filing date -
Nov 19, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bone interface anchor is provided for use with a stabilizer rod for the internal fixation of a spine. The anchor has a seat which accommodates the stabilizer rod and which receives a bone screw for the fixation of the seat to the bone. A compression member cooperates with the seat external to the stabilizer rod and can be tightened to cause a compressive force on the stabilizer rod. The stabilizer rod bears on a rounded surface of the bone screw so as to cause a mating interface between the seat and the bone screw. Subsequently, the position of the seat relative to the bone screw can be locked.
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Family
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