Collarless shoulder arthroplasty prosthesis
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United States of America Patent
Stats
-
May 16, 2006
Grant Date -
May 29, 2003
app pub date -
Jan 3, 2003
filing date -
Apr 7, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A shoulder prosthesis of the present invention includes a modular humeral prosthesis component employing a collarless design. A body portion of the prosthesis is provided without a collar, and it may be implanted into a prepared proximal end of a humerus such that the body sits recessed below the level of the cut proximal surface of the humerus. A head portion is provided in which a support surface of the head functions as collar by direct apposition of it to the cut proximal humerus. The modular connection is thus recessed below the proximal bone surface. By providing a modular connection which is recessed below the bone surface, the benefits of modularity may be retained, while joint overstuffing may be reduced or eliminated, and a substantially full range of motion may be achieved.
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Family
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