Dynamic stabilization system for the spine
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United States of America Patent
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Jan 19, 2016
Grant Date -
Dec 28, 2006
app pub date -
Apr 21, 2006
filing date -
Apr 21, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for dynamic stabilization of the spine includes a bone engaging fastener configured to be anchored in a vertebra and a deflectable element mounted on the fastener. The deflectable element or bumper is configured and arranged to contact a portion of an adjacent vertebra, such as the facet, during extension of the spine, while offering no resistance during flexion. In certain embodiments, a cable may be fastened to the bone engaging fastener and arranged to contact a portion of the adjacent vertebra, such as the spinous process, during flexion of the spine. In one surgical technique of the invention, a contralateral approach is used to introduce the bone engaging fastener through the deflectable element and into the vertebra.
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