Endo prothesis with a metal-ceramic union
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United States of America Patent
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Oct 7, 1980
Grant Date -
N/A
app pub date -
Aug 22, 1978
filing date -
Sep 19, 1977
priority date (Note) -
Expired
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Abstract
In a bone joint endoprosthesis, the spigot of the metal shank is externally threaded to mate with a thread inside the ceramic head of the prosthesis; the thread on the spigot has greater depth in the radial direction, with flat sides, and the depth of the thread in the head is more shallow.
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