Wedge ramp distractor and related methods for use in implanting artificial intervertebral discs
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United States of America Patent
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Aug 18, 2009
Grant Date -
Nov 11, 2004
app pub date -
Feb 20, 2004
filing date -
Jul 16, 2001
priority date (Note) -
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Abstract
Instruments and methods for distracting an intervertebral space and inserting and impacting artificial intervertebral discs. A wedge distractor employing opposing ramps through which an inserter/impactor holding an artificial intervertebral disc is admitted, the passage of which through the distractor results in distraction of the intervertebral space simultaneous with insertion of the artificial intervertebral disc. A method of distracting an intervertebral space comprising the steps of inserting a distractor having opposing ramped surfaces into an intervertebral space and inserting an inserter/impactor holding an artificial intervertebral disc between the opposing ramped surfaces of the distractor to insert/impact the artificial intervertebral disc in the intervertebral space. A system for distracting an intervertebral space employing a wedge distractor, inserter/impactor and artificial intervertebral implant.
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