Radial head prosthesis with floating articular member
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United States of America Patent
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Jul 18, 2017
Grant Date -
Jan 28, 2016
app pub date -
Oct 8, 2015
filing date -
Sep 10, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
System, including apparatus, methods, and kits, for replacement of the proximal end of a radial bone with a prosthesis having a floating articular member. The prosthesis may include a head portion connected or connectable to a stem portion. While the stem portion remains operatively connected to the head portion, the head portion and/or an articular member thereof may be permitted to float in position relative to the stem portion. The head portion/articular member may float transversely (e.g., translationally) and/or rotationally with respect to the stem portion. The articular member may articulate with a humeral bone or both a humeral bone and an ulnar bone. In some embodiments, the head portion may include a fixed member for articulation with an ulnar bone and a floating member for articulation with a humeral bone.
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