MINIMALLY INVASIVE METHOD AND INSTRUMENT FOR THE REDUCTION OF A ROD INTO POSITION IN A PEDICLE SCREW
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United States of America Patent
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app pub date -
May 3, 2011
filing date -
May 8, 2008
priority date (Note) -
Abandoned
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Abstract
Minimally invasive methods and instruments for reducing spinal stabilization rods into pedicle screws. In some embodiments, a method comprises positioning an instrument over a pedicle screw where a rod remains proud. A distal end of a first extension of the instrument is engaged with a collar of the pedicle screw. A second extension of the instrument is moved in translation relative to the first extension until a distal end of the second extension contacts the rod. This translation is accomplished by manipulating a pair of handles of the instrument. The rod is urged into the collar of the pedicle screw by application of force on the rod through the distal end of the second extension. The rod can be locked in the collar of the pedicle screw using a set screw passed through a passage in the first extension of the instrument.
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