Expandable intervertebral spacer and method of posterior insertion thereof
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United States of America Patent
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Mar 12, 2013
Grant Date -
Feb 23, 2012
app pub date -
Feb 21, 2011
filing date -
Feb 24, 2010
priority date (Note) -
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Abstract
An expandable intervertebral spacer has a plurality of arms. The arms can be retracted or extended. The spacer has a width that is narrower than the width between the nerve roots near the posterior approach to an intervertebral space. Once inserted into the intervertebral space, the arms can be deployed. The deployed arms expand the height and width of the spacer. Once deployed, the spacer stabilizes two adjacent vertebrae. The arms are interconnected mechanically to deploy simultaneously.
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