Expandable spacer and method for use thereof
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United States of America Patent
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Jan 15, 2013
Issued Date -
N/A
app pub date -
Jan 12, 2010
filing date -
Jan 12, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An expandable implant is disclosed having an adjustable height for insertion between two adjacent bony structures or joint surfaces, for example between two adjacent spinal vertebrae. The implant includes at least one gear associated with at least one threaded shaft. Rotation of the gear engages the threaded shaft to expand the implant. The implant can be inserted in a collapsed configuration and expanded in situ. The invention also provides methods for using the implant to facilitate arthrodesis or fusion of adjacent joint surfaces or spinal vertebrae.
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