Expandable vertebral prosthesis
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jul 30, 2015
app pub date -
Apr 7, 2015
filing date -
Apr 21, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to an expandable prosthetic implant device for engagement between vertebrae generally comprising an inner member, outer member, and a gear member. The gear member may be axially fixed to the outer member and freely rotatable with respect to the outer member and the gear member may threadedly engage a threaded portion of the inner member to translate the inner member. The implant is configured to engage the vertebrae in a predetermined alignment and the gear member includes gear teeth exposed to the exterior and configured to be accessible by a tool member at a plurality of angular positions around the perimeter of the implant device.
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Family
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