Bone anchoring assembly with a snap-in ballhead
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United States of America Patent
Stats
-
Jan 21, 2003
Grant Date -
Jul 12, 2001
app pub date -
Feb 21, 2001
filing date -
Aug 21, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bone anchoring assembly includes at least one fixation plate and at least one bone anchoring element. Each bone anchoring element includes a circular-cylindrical hollow body with upper and lower ends, a hemi-spherical connector that is pivotably mounted to and supported by fixation elements, an external thread that extends partially along the outer surface of the body for anchoring the bone anchoring element into the cortical portion of the bone, and a series of teeth located on the lower end of the body for cutting into the bone.
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