Hybrid glenoid for shoulder arthroplasty
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United States of America Patent
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Nov 1, 2011
Grant Date -
May 14, 2009
app pub date -
Nov 5, 2008
filing date -
Nov 7, 2007
priority date (Note) -
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Abstract
Glenoid prosthesis with a hybrid design (combining both peg and keel designs), and surgical methods for reconstitution of a shoulder joint. The hybrid design combines both peg and keel components into one device. The hybrid glenoid component of a shoulder prosthesis includes an oval body having a concave lateral articulating surface and an opposing convex medial surface. The medial surface is provided with a plurality of pegs and a single inferior protrusion. The pegs are used to attain both a superior location as well as a central location. The inferior protrusion provides stability in the superior-to-inferior translation of the humeral head, as well as rotational articulation of the same.
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