Connector for attaching an alignment rod to a bone structure
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United States of America Patent
Stats
-
Mar 13, 2012
Grant Date -
Dec 10, 2009
app pub date -
Jul 31, 2009
filing date -
Mar 17, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A connector for a spinal alignment system includes a base, a hook, a guide aperture, and a locking portion. The base includes a channel extending therethrough to receive a fixation rod. The hook extends from the base. The guide aperture is adapted to receive a bone fastener and the locking portion is adapted to engage the bone fastener. The guide aperture extends through one of the base and the hook and the locking portion is located in the other of the base and the hook. The locking portion is coaxial with the guide aperture such that the guide aperture guides a shaft of the bone fastener into alignment with the locking portion when the bone fastener is received by the guide aperture. The bone fastener cooperates with the base and hook to form a tension band construct that resists opposing forces acting on the construct. A rod locking fastener engages the channel and the fixation rod to secure the fixation rod in the channel. The rod locking fastener and the base include mating surfaces that cooperate with each other to resist the force exerted by the fixation rod onto the rod locking fastener when the fixation rod is secured in the channel.
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