Bioceramic coated apparatus and method of forming the same

Details Bioceramic coated apparatus and method of forming the same Bioceramic coated apparatus and method of forming the same

2011-08-16

2011-08-16

Xu, Ling (Department: 1784)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

C428S306600, C428S307700, C428S312200, C428S315500, C428S469000, C428S702000, C428S704000, C623S011110, C623S016110, C205S150000, C205S171000, C427S002100

Reexamination Certificate

active

07998568

ABSTRACT:
The invention relates to a bioceramic coated apparatus and method of forming the same. The apparatus may be a medical implant such as, for example, an orthopedic implant or a dental implant. The bioceramic coating is designed to increase tissue and/or bone growth upon implantation of the apparatus. The apparatus has a valve metal substrate having a nanoporous valve metal oxide surface layer. The nanoporous surface layer contains a plurality of nanopores. The nanopores have adsorbed phosphate ions on at least their interior surfaces. A bioceramic coating is formed on the nanoporous surface and anchored into the nanopores. Optionally, the nanopores are formed into a tapered shape in order to increase adhesion to the bioceramic coating.

REFERENCES:
patent: 2002/0122828 (2002-09-01), Liu
patent: 2003/0152606 (2003-08-01), Gerber
patent: 2004/0031519 (2004-02-01), Andriessen

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