Total shoulder prosthesis system
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United States of America Patent
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-
Nov 5, 1985
Grant Date -
N/A
app pub date -
Jul 24, 1984
filing date -
Jul 24, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A total shoulder replacement arthroplasty system which encompasses replacement of the articular surface of the humerus and adjacent glenoid articular surface with a humeral component having a convex surface and a shallow trapezoidal fixation keel to avoid violation of the medullary cavity by the prosthesis and with a concave overmounted glenoid component having a similar keel. The inferior aspect of the acromion is resurfaced with an acromial component for replacement of the acromial clavicular joint, providing mechanical advantage of a fulcrum for abduction and forward flexion of the humerus, and preventing superior migration of the humerus.
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