Method and instrumentation for posterior interbody fusion
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United States of America Patent
Stats
-
Jan 14, 2003
Grant Date -
Aug 9, 2001
app pub date -
Apr 10, 2001
filing date -
Apr 9, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and instrumentation for spinal interbody fusion is disclosed. The instruments and methods are particularly adapted for interbody fusion from a posterior approach to the spine. One instrument is a retractor having a lockable pivotally mounted handle. Another instrument is a template for straddling the dura. A modular distractor is also provided and preferably includes a tapered shaft with a visualization window disposed therein. Yet another instrument is a depth gauge to verify bone opening depth and dimension, preferably including a radiopaque portion. A method contemplates the use of these instruments to prepare a disc space to receive an implant.
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