Less invasive surgical system and methods
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United States of America Patent
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Feb 23, 2010
Grant Date -
Apr 6, 2006
app pub date -
Sep 29, 2004
filing date -
Sep 29, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system for performing a less invasive surgical procedure and, in particular, devices and methods for spinal fixation. The system comprises dilation tool(s), at least one working/insertion cannula, a plurality of screws, at least one fixation rod for connecting the screws, and a rod inserter. The dilation tool(s) may be used to dilate an incision made in a patient to form an opening. An insertion cannula may be attached to a screw and inserted into the opening. The screws may be polyaxial screws and may be inserted into the vertebrae using a screwdriver. An operator may then move the insertion cannula to manipulate a head portion of the screws such that the head portions may be aligned to receive a fixation rod. A rod inserter may be used to insert a fixation rod into the head portions.
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