Snap-in washers and assemblies thereof
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United States of America Patent
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Dec 11, 2007
Grant Date -
May 6, 2004
app pub date -
Oct 31, 2002
filing date -
Oct 31, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
This invention relates to an apparatus for spinal fixation, in particular, for joining a bone anchor with spinal stabilizers such as a spinal rod or spinal plate in a polyaxial fashion. The invention is also directed to polyaxial connectors which incorporate arcuate washers. The polyaxial features of this invention are achieved preferably with snap-in washers which minimize the numbers of parts that a surgeon may have to handle during surgery.
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