System for stabilizing the spine and reducing spondylolisthesis
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United States of America Patent
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-
Jul 2, 1996
Issued Date -
N/A
app pub date -
Nov 14, 1994
filing date -
Mar 11, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for achieving reduction of curvature of the lumbar region of the spine associated with spondylolisthesis includes transverse plates affixed to vertebrae L4 and L5 and sacral plates affixed to opposite sides of the sacrum. These plates in combination with the longitudinal plate along the posterior anterior plane in which the spinous processes lie allows for effective reduction of the curvature and secure fixation of this region of the spine. The transverse plates include textured surfaces which allow them to mate in a manner which prevents undesirable slippage therebetween. The system is also compact and does not interfere with the paraspinal muscles which run along either side of the spinous processes.
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