Implant and method of making the same
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United States of America Patent
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-
Dec 26, 1995
Issued Date -
N/A
app pub date -
Jun 25, 1993
filing date -
Feb 14, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An implant comprises and implant base body, at least a surface of which is composed of titanium or titanium alloy, and an anodic oxidation film formed on the surface, the film containing Ca and P. The implant may further comprise a calcium phosphate compound such as hydroxyapatite precipitated on the anodic oxidation film. The implant may be prepared by subjecting the base body to anodic oxidation in an electrolyte containing Ca compound and P compound, thereby forming an anodic oxidation film containing Ca and P. In addition, the film may be subjected to a hydrothermal treatment, thereby forming a film of a calcium phosphate compound such as hydroxyapatite on the anodic oxide film.
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