POLYAXIAL BONE ANCHORING DEVICE
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United States of America Patent
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-
N/A
Issued Date -
Jan 22, 2015
app pub date -
Jul 18, 2014
filing date -
Jul 19, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A polyaxial bone anchoring device including an anchoring element including a shank and a head; a receiving part to pivotably receive the head, the receiving part having a first end, a second end, a central axis extending between the first and second ends, a coaxial bore, and first and second recesses on each side of the coaxial bore for receiving a rod, a longitudinal axis of the recess being substantially perpendicular to the central axis; a first clamping part having a rod supporting surface extending along the longitudinal axis and in the first recess when in the receiving part, a center of the first clamping part along a direction transverse to the longitudinal axis including a groove at the rod supporting surface; a second clamping part to exert pressure on the rod and in the first recess when in the receiving part; and a locking device to secure the rod.
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