Low profile polyaxial screw
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 19, 2006
app pub date -
Mar 31, 2005
filing date -
Mar 31, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A bone anchor assembly includes a bone anchor having a distal shaft configured to engage bone and a hollow hemi-spherical proximal head defined by a convex outer surface and a concave inner surface, a receiving member for receiving a spinal fixation element and for engaging the head of the bone anchor, and a compression member positionable in the receiving member. The compression member has an upper portion configured to seat the spinal fixation element and a lower portion configured to engage the concave inner surface of the anchor head.
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