Spinal fusion system and method for fusing spinal bones
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United States of America Patent
Stats
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Jan 5, 2010
Grant Date -
Mar 31, 2005
app pub date -
Jun 2, 2004
filing date -
Sep 30, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
This invention relates to a spinal fusion system and method for use as a prosthetic implant. The system and method includes a housing dimensioned to be situated between adjacent spinal bones, such as adjacent vertebrae. The housing cooperates with the spinal bones to define a graft area for receiving graft material, which may be inserted anteriorly into the housing during a surgical operation such as a vertebrectomy or discectomy. A housing may have various features such as migration preventers to prevent the housing from migrating posteriorly towards a spinal column and can be used with a cover that permits the housing to “float” relative thereto. Screws are provided in one embodiment and are dimensioned or configured to lock against each other to retain the screws and, consequently, the cover in place.
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