Spine surgery method and implant
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United States of America Patent
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Aug 7, 2012
Grant Date -
Mar 29, 2007
app pub date -
Sep 27, 2005
filing date -
Sep 27, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An implant has a first contact surface to contact a first vertebral body endplate and a second contact surface to contact a second vertebral body endplate adjacent the first vertebral body. The implant is deployable, when positioned within an intradiscal space between the first and second vertebral bodies, from a first non-expanded condition where the first contact surface has a first effective footprint area A1 to a second expanded condition where the first contact surface has a second effective footprint area A2. The ratio A2/A1 is at least 1.05.
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