Anti-shifting system for spinal arthrodesis bar
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United States of America Patent
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-
Nov 16, 1999
Grant Date -
N/A
app pub date -
Jan 8, 1998
filing date -
May 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for surgically stabilizing the spine is useful for preventing shifting of the joining bars on the vertebral units of fixation. For this purpose, the joining bars are provided at predetermined intervals with anti-shifting spherical bosses having a greater diameter than each bar. Thus the anti-shifting unit is dumbbell-shaped and has a length required for the morphological features of the spine.
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