Dynamic fixation device and method of use
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United States of America Patent
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Jul 16, 2013
Issued Date -
N/A
app pub date -
Jun 22, 2006
filing date -
May 8, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dynamic fixation device is provided that allows the vertebrae to which it is attached to move in flexion within the normal physiological limits of motion, while also providing structural support that limits the amount of translation motion beyond normal physiological limits. The present invention includes a flexible portion and two ends that are adapted for connection to pedicle screws. In at least one embodiment of the present invention, the normal axis of rotation of the vertebrae is substantially duplicated by the dynamic fixation device. The flexible portion of the dynamic fixation device can include a flexible anterior-posterior segment, an anterior-posterior segment bounded by one or more zones with cuts in the rod portions, a flexible accordion-like segment, and/or a hinge portion.
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