Locking insert for spine stabilization and method of use
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United States of America Patent
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May 1, 2012
Grant Date -
N/A
app pub date -
Jul 16, 2008
filing date -
Jul 16, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A spine stabilization system having collars, resilient inserts and pins for coupling a rod to bone fasteners. A bone fastener may be advanced into a vertebral body. A first collar having a set of deflectable arms and a channel in a first end and an opening in the second end recessing to form a cavity may be positioned with the head of the bone fastener in the cavity. A rod may be advanced into the channel in the first end of each collar. The deflectable arms may have a set of recessed portions. The recessed portions may have an angular or arcuate profile. A resilient insert may be advanced into the collar and positioned in the recessed portions, with the bottom surface of the resilient insert in contact with the rod. A pin may be inserted in the resilient insert to inhibit removal of the resilient insert.
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