Instruments and method for preparing an intervertebral space for receiving an artificial disc implant
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United States of America Patent
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Feb 17, 2009
Grant Date -
Oct 28, 2004
app pub date -
Apr 28, 2003
filing date -
Apr 28, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Instruments and methods for preparing an intervertebral space for receiving an implant. An adjustable trial implant has an adjustable stop mechanism having a stop member connected thereto to vary the distance that a body portion of the trial implant can move into the intervertebral space. Cutting tools for forming cutouts in the adjacent vertebrae use the trial implant and/or a guide to position a cutting tool which may be a burr or a chisel. The chisel cutting tool can be moveable relative to a selected trial implant or the chisel cutting tools can be fixed onto a trial implant shaped body portion.
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