Ball and socket bearing for artificial joint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 21, 1990
Issued Date -
N/A
app pub date -
Jan 27, 1989
filing date -
Mar 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A socket bearing for implantation in a patient's body as part of a ball and socket joint is provided. The joint includes a ball portion and a socket portion. The ball portion includes a ball connected to a neck, and the socket portion includes two spaced-apart coaxial pin members which engage the socket bearing and allow the bearing to rotate in the assembled joint. The inner surface of the bearing forms a cavity for receiving the ball, and the outer surface includes two spaced-apart, cylindrically-shaped surfaces for receiving the pin members. The bearing can encompass either more than half or less than half of the ball, so that in the assembled joint, the ball is either physically constrained or not physically constrained within the bearing.
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Family
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Cited Art Landscape
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