Spinal prosthesis having a three bar linkage for motion preservation and dynamic stabilization of the spine
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United States of America Patent
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Feb 14, 2012
Grant Date -
Feb 4, 2010
app pub date -
Sep 24, 2009
filing date -
Jun 5, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dynamic spinal stabilization linkage for use in stabilizing of the spine. The linkage connects adjacent vertebrae to provide load-sharing and stabilization while allowing natural kinematics. The linkage comprises three rigid bodies joined in series with 3-degree-of-freedom spherical joint between each body. The joints have range-of-motion constraints which limit undesirable intervertebral motion.
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