Vertebral cage device with modular fixation
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United States of America Patent
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Apr 3, 2012
Issued Date -
N/A
app pub date -
Apr 27, 2009
filing date -
Jul 13, 2001
priority date (Note) -
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Abstract
Intervertebral arthrodesis for insertion in an intervertebral space separating opposite faces of two adjacent vertebrae has a ring shaped intervertebral cage having a bar that extends perpendicular to the axis of the spine. The bar has a height less than the rest of the cage. A surface of the cage contacting the vertebrae has an undulating shape for limiting sliding of the cage in a plane parallel to the vertebrae faces.
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