Endoprosthetic bone joint devices
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United States of America Patent
Stats
-
Nov 18, 1986
Grant Date -
N/A
app pub date -
Apr 19, 1984
filing date -
Apr 20, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An endoprosthetic acetabular component of overall cup form has three parts: an outer part (10) for securement in bone, an inner part (20) defining a dished articulation surface (23) and adjustably engageable with the outer part to allow independent variation of such surface in both inclination and rotation, and a third part (30) to secure the inner and outer parts with a preselected adjustment of the former. The inner/outer part engagement is preferably of spherical bearing form. Also, the inner part is preferably of two sub-parts (21, 24) respectively providing the articulation surface and the outer part engagement, the former sub-part being selectable from a range interchangeably connectable with the latter sub-part but having respectively different heights of articulation surface.
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