Guide pin for pedicle screw placement and method for use of such guide pin in spinal fusion surgeries
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United States of America Patent
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Issued Date -
Jun 11, 2009
app pub date -
Dec 10, 2007
filing date -
Dec 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A radiopaque guide pin that is insertable into a pedicle of a vertebra to be used as a guide to determine the proper and safe entry point and angular trajectory for a pedicle screw placed in a pedicle, has a distal part and terminal tip for initial entry of the guide pin, an opposite proximal part that serves as a handle, and a central part that includes a first radiopaque marker spaced proximally from the tip and a stop element spaced proximally from the first marker, the stop element having greater diameter than the distal and central parts of the guide pin and adapted to be stopped by the lamina surface from further advancement into the pedicle. The invention further includes a method for pedicle screw placement using the new pedicle screw guide pin.
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Family
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