Artificial hip joint
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United States of America Patent
Stats
-
Feb 7, 1995
Grant Date -
N/A
app pub date -
Feb 25, 1993
filing date -
Oct 28, 1988
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An artificial hip joint between a femur and a pelvis having increased rotational clearance on an internal side of the joint, including an acetabular cup for anchoring to the pelvis. The hip joint includes a femoral prosthesis having an elongated stem for anchoring to the femur with an upper end. A collar extends outwardly from the upper end and terminates in an end part opposite the upper end of the stem. A head portion is supported on the end part and pivotally mounted within the acetabular cup. The head and the end part have a common central axis. The collar includes a surface on the internal side that contacts the acetabular cup. The surface is offset from the common central axis in a direction away from the internal side so that the acetabular cup has increased rotational clearance on the interior side.
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Family
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Cited Art Landscape
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