Method and instrumentation for vertebral interbody fusion
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United States of America Patent
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-
Aug 6, 2002
Grant Date -
N/A
app pub date -
Apr 7, 1999
filing date -
Apr 9, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and instrumentation particularly adapted for disc space preparation from an anterior approach to the spine. In one aspect, an expandable template is provided having guides to guide a cutting device for bilateral formation of openings in the disc space. In another aspect, an improved guide member is provided for guiding a cutting tool. Still further, the invention provides an improved double barrel guide sleeve with a central distraction extension and lateral non-distracting extensions. Optionally, the guide sleeve includes windows and covers to selectively cover the windows. An improved reamer with an internal chamber and optional modular coupling is also provided. A depth stop is provided to selectively engage a tool shaft and a guide sleeve to control tool penetration into the disc space. A method of using the disclosed instruments is also provided.
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