Pedicle screw systems and methods of assembling/installing the same
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United States of America Patent
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N/A
Issued Date -
Jul 20, 2006
app pub date -
Oct 25, 2005
filing date -
Oct 25, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The pedicle screw system may be used for fixation of spinal segments and may be advantageous when minimally invasive surgery (MIS) techniques are employed. The pedicle screw system includes a tulip assembly comprising a tulip body, a inner member, an expansion member, and a cap assembly. Installation of the pedicle screw system into pedicles of the spine, for example, includes inserting the pedicle screw into a portion of the spine, coupling a partial assembly comprising the tulip body, inner member, and expansion member to the pedicle screw, placing a rod in the tulip assembly, and then coupling the cap assembly to the tulip body. Coupling the cap assembly to the tulip body includes initially locking the tulip assembly to the pedicle screw and then locking the rod in the tulip assembly.
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