STRUCTURE AND METHOD FOR DRIVING A PEDICLE SCREW WITH AN ATTACHED SUPPORT ROD FOR SPINAL OSTEOSYNTHESIS
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United States of America Patent
Stats
-
N/A
Issued Date -
Dec 10, 2009
app pub date -
Jun 6, 2008
filing date -
Jun 6, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Improvements for a pedicle screw that is pre-connected to a support rod by an articulation joint so that the pedicle screw can be installed with the support rod attached to it. A first driven interlock element is joined to the pedicle screw. A driver interlock element is formed at a first end of the support rod and is matingly engageable with the driven interlock element of the pedicle screw. The support rod is retained in the joint in a manner that allows it to be pivoted between a position that is substantially coaxial with the pedicle screw and an installed position transverse to the pedicle screw. The support rod, when aligned coaxially with the pedicle screw is able to slide axially within the articulation joint to permit engagement of the driver interlock element of the rod with the driven interlock element of the screw.
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