Producing a ceramic implant by coating a powder mixture of zirco

Details Producing a ceramic implant by coating a powder mixture of zirco Producing a ceramic implant by coating a powder mixture of zirco

1990-10-15

1993-02-09

Lusignan, Michael

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

427190, 4273762, 623 16, 501104, A01N 102, A61F 228

Patent

active

051851776

ABSTRACT:
A process for producing a ceramic implant which comprises creating a powder mixture comprising zirconia and .alpha.-tricalcium phosphate or zirconia and hydroxyapatite, in a weight ratio of 0.05 to 20 on the surface of a molded unsintered product of partially stabilized zirconia, followed by sintering at 1200.degree. to 1550.degree. C. The partially stabilized zirconia may have a BET specific surface area of from 5 to 10 m.sup.2 /g and have been subjected to wet pulverization to increase the BET specific surface area from 1.05 to 2.0 times relative to the starting material.

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