Spine fixation system
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United States of America Patent
Stats
-
Jul 9, 1991
Grant Date -
N/A
app pub date -
Mar 29, 1990
filing date -
Mar 29, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An implantable spinal fixation system includes a cancellous bone screw, such as a pedicle screw, carrying an improved saddle assembly, secured in place by a nut and which includes a simple and effective locking mechanism including a plurality of fingers which contacts each of the upper half saddle and the nut to prevent rotation of the latter relative to the remained of the assembly. The implant system also includes rods, firmly gripped by the saddle assembly and sublaminar wires in which the rod/wire interface is protected by a wire protector.
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Family
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