INTERNAL FIXATION SYSTEM FOR SPINE SURGERY
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United States of America Patent
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app pub date -
Oct 15, 2009
filing date -
Oct 26, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Provided is a spinal fixation system that includes a pedicle screw having a bone engagement thread at a first end of the pedicle screw and an intermediate shaft portion located between the bone engagement thread and a second end of the pedicle screw and having a substantially conical shaped flange. The system also includes a clamp that fits over the second end of the pedicle screw, a fixation rod that can be secured between the clamp and an external side of the pedicle screw, and a fastener that can be coupled to the second end of the pedicle screw. Coupling of the fastener to the second end of the pedicle screw provides a clamping force that presses the fixation rod against the intermediate shaft portion of the pedicle screw.
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