Elbow prosthesis
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 17, 1983
Grant Date -
N/A
app pub date -
Oct 22, 1980
filing date -
Oct 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A humeral member and an ulnar member are joined by an intermediate insert which functions as an ulnar bushing. A radial member may also be employed with the prosthesis. The ulnar member includes a curved surface from which a support projects. Preferably, the curved surface is in concave cylindrical form from which a flat support radially projects. The support terminates in a cylindrical member which has an axis located at the center of the curvature of the curved surface. The ulnar bushing is of generally cylindrical configuration and is mounted about the cylindrical member for rotation. The humeral member engages the intermediate insert allowing relative rotation between the ulnar member and the intermediate insert along with the humeral member. A spherical portion projects from the side of the humeral member and has an axis parallel to the axis of rotation of the ulnar member. The spherical portion is for contact with the radius or radial member. The radial member has a concave spherical surface for engaging the spherical portion and may include a circular X-ray wire in a top portion thereof.
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Family
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Cited Art Landscape
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