Bone fixation assembly
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United States of America Patent
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Mar 15, 2016
Issued Date -
N/A
app pub date -
Sep 4, 2009
filing date -
Sep 5, 2008
priority date (Note) -
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Abstract
The present invention is directed an anchor assembly for use in spinal fixation to interconnect a longitudinal spinal rod with a patient's vertebra. The anchor assembly preferably includes a bone anchor (10), a body (20) with a rod-receiving channel, an insert member (40) (preferably a bushing), and a locking cap with a saddle (70). The anchor assembly preferably enables in-situ assembly where the bone anchor may be secured to the patient's vertebra prior to being received within the body of the bone anchor assembly. Accordingly, the anchor assembly enables a surgeon to implant the bone anchor without the body to maximize visibility and access around the anchoring site. Once the bone anchor has been secured to the patient's vertebra, the body may be snapped onto the bone anchor and a spinal rod may be inserted into the rod-receiving channel.
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