Cervical compression plate assembly
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United States of America Patent
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Jul 27, 2010
Grant Date -
Feb 24, 2005
app pub date -
Aug 18, 2003
filing date -
Aug 18, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A cervical compression plate assembly having screw receiving elements at opposite ends that are configured for engaging bone fixation screws extending from respective vertebral elements. The assembly permits the distance between the screw receiving elements at opposite ends to be shortened but prevents the distance from increasing. A spring mechanism is housed within the plate assembly and is configured for continuously urging the screw receiving elements at opposite ends together for thereby providing continuous compressive loading on bone graft material disposed between the vertebral elements.
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