System and method for implant anchorage with anti-rotation features
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United States of America Patent
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Jun 9, 2015
Grant Date -
Dec 25, 2008
app pub date -
Aug 29, 2008
filing date -
Apr 17, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A system includes an implant with an articulation surface, a fixation member which may be anchored in a bone, and a base portion which may receive the fixation member. The base member may comprise a bone-engaging portion and an attachment portion. The base member may receive the fixation member such that a threaded portion of the fixation member and the bone-engaging portion of the base member may be seated in the bone. The implant may be attached to the attachment portion of the base member. The base member may be configured in a variety of shapes and may include fins, teeth, pegs or other anti-rotation features, and may include a bone ingrowth surface. The attachment portion may be tapered and attachable to the implant through a taper-lock.
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