Metal-ceramic composite material useful for implant devices
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United States of America Patent
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-
Feb 2, 1988
Grant Date -
N/A
app pub date -
Jan 22, 1985
filing date -
Jan 22, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A material useful as a biomaterial for the manufacture of prosthetic devices and the like is provided by casting a suitable metal, such a Vitallium, into a hydroxyapatite and/or whitlockite investment with three-dimensional interconnected porosity. The resulting composite is finished to expose the investment in order to provide a superior surface for attachment to bone. The composite may be cast as part of the casting of metal prostheses such as hip joints or artificial teeth, in such a way that the investment is present in a thin layer at the desired bone attachment locations.
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