Orthopedic expansion fastener
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United States of America Patent
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Jan 24, 2012
Issued Date -
N/A
app pub date -
Mar 13, 2006
filing date -
Mar 17, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods and devices are disclosed for treating the vertebral column. An integrated fixation plate and spacer having a retaining structure within the screw holes of the fixation plate to resist backout of screws attaching the fixation plate to the bone is provided. A movable joint may be provided between the fixation plate and spacer. In some embodiments, a screw hole insert is also provided to resist shear forces acting between the screw and fixation plate. In some embodiments, an integrated fixation plate and spacer system is provided, comprising two or more integrated fixation plate and spacer implants, wherein the fixation plates of each implant has a complementary configuration to allow attachment of the implants at adjacent intervertebral spaces. Alternative fixation systems are also contemplated.
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