Ball jointed pedicle screw and rod system
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United States of America Patent
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Mar 30, 2010
Issued Date -
N/A
app pub date -
Apr 2, 2004
filing date -
Apr 2, 2004
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A pedicle screw assembly includes pedicle screw having a plurality of spaced-apart posts. A ball collet having a ball collet bore is seated on the pedicle screw between the posts and a rod is gripped by an inner surface of the ball collet bore. The assembly also includes a cap that is coupled to the posts, the cap applying a compressive force to the ball collet against a seat of said pedicle screw. A free end of the rod may be provided with various structures to enable such free end to be retained by another pedicle screw.
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