Vertebral alignment and fixation assembly
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United States of America Patent
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Feb 18, 2003
Grant Date -
Feb 13, 2003
app pub date -
Aug 13, 2001
filing date -
Aug 13, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for aligning and fixing vertebral bodies is provided. The vertebral alignment/fixation assembly of the current invention comprises a hemispherical headed pedicle screw disposed within a slotted coupling unit designed to allow angular adjustment of the pedicle screw up to 90.degree. and which may be securely locked into position via a single threaded locking nut once a standard alignment rod has been inserted into the slotted coupling unit. The vertebral alignment/fixation assembly enabling the angular adjustment of the fixation system hardware after final placement and insertion of the pedicle screw into the vertebral body. A system and method for aligning and fixing vertebral bodies using the vertebral alignment/fixation assembly of the invention is also provided.
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