Versatile polyaxial connector assembly and method for dynamic stabilization of the spine
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United States of America Patent
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Sep 13, 2011
Grant Date -
Feb 4, 2010
app pub date -
Sep 24, 2009
filing date -
Feb 26, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Versatile polyaxial connector assemblies are provided for a dynamic stabilization system which supports the spine while providing for the preservation of spinal motion. Embodiments of the dynamic stabilization system include versatile polyaxial connectors in addition to bone anchors, a deflection system and a vertical rod system. The bone anchors connect the construct to the spinal anatomy. The deflection system provides dynamic stabilization while reducing the stress exerted upon the bone anchors and spinal anatomy. The vertical rod system spans different levels of the construct. The versatile polyaxial connectors include connectors mounted coaxially and/or offset with the bone anchors to adjustably connect the deflection system, vertical rod system and bone anchors allowing for safe, effective and efficient placement of the construct relative to the spine.
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