METHOD OF FORMING HYDROXYAPATITE FILM

PROBLEM TO BE SOLVED: To obtain an easy method to form a hydroxyapatite film having excellent fixing property of the film on a metal base body to be used in a living body without decreasing the physical properties of the metal material. SOLUTION: When a hydroxyapatite film formed on a metal base mat...

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Bibliographische Detailangaben
Hauptverfasser:	ITAYA SEIJI, NOZUE AKIRA, SUEMASU HIROSHI, AIZAWA MAMORU, TAKEUCHI HIROYASU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain an easy method to form a hydroxyapatite film having excellent fixing property of the film on a metal base body to be used in a living body without decreasing the physical properties of the metal material. SOLUTION: When a hydroxyapatite film formed on a metal base material to be used in a living body, the metal base material is heated to 80 to 300 deg.C, then dipped in a first aq. soln. containing urea, calcium ion and phosphate ion, and then dipped in a second aq. soln. containing at least calcium ion and phosphate ion to form a hydroxyapatite film on the surface of the metal material.