SHOULDER PROSTHESIS ADJUSTABLE HUMERAL HEAD MECHANISM
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United States of America Patent
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Issued Date -
May 5, 2011
app pub date -
Oct 30, 2009
filing date -
Oct 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A shoulder prosthesis. The shoulder prosthesis includes a head having a cavity. The head further includes a first bearing surface configured to mate with a second bearing surface of a glenoid. The shoulder prosthesis also includes a stem having a recess defined therein, and the stem configured to be received by a humerus. The shoulder also includes a first connector having a proximal end and a distal end. The first connector also includes a threaded cavity and an outer wall. The outer wall engages the recess of the stem, and the threaded cavity opens at the proximal end of the first connector. A second connector having a threaded end sized and shaped to fit in the threaded cavity of the first connector is also included. The second connector also has a head connector end that is sized and shaped to fit within the cavity of the head. The outer wall of the first connector is sized and shaped to expand at the proximal end as the second connector is threaded into the threaded cavity.
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