Apparatus and methods for reduction of vertebral bodies in a spine
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Jun 17, 2015
filing date -
Dec 7, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A system for reduction of vertebral bodies (or vertebrae) in various embodiments includes a reducer, and extender, and a hollow tube. The reducer couples to the extender, which in turn couples to an elongated member, such as a rod, and to a bone fastener assembly. The reducer allows reduction of the vertebral body incrementally, and by a desired amount. The reducer may include or may be used in conjunction with a holding device or holder in order to hold or keep the amount of reduction constant or steady once the desired amount of reduction has been obtained. The reducer may use one of several embodiments, including embodiments that use threaded assemblies or members, inclining members or wedges, offset cams, scissor jacks, and/or levers.
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