Modular in-line deflection rod and bone anchor system and method for dynamic stabilization of the spine
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United States of America Patent
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Sep 6, 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
A dynamic spine stabilization component suitable for use in stabilizing of the spine. The component is selectably attachable to a bone anchor for implantation in a bone of the spine. The dynamic spinal stabilization component includes a deflectable post connectable to a bone anchor. Deflection of the deflectable post is controlled by a compliant member. The force/deflection properties of the deflectable post may be adapted to the functional requirements and anatomy of the patient. The dynamic spinal stabilization component, when secured to a bone anchor, provides load sharing while preserving range of motion and reducing stress exerted upon the bone anchor and spinal anatomy.
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