FIELD: medical technics.
SUBSTANCE: invention concerns method of obtaining biocompatible coating on titanium osteofixation devices. The coating is formed by titanium oxidation in heated water steam atmosphere at the temperature of 50-550°C for 1.5-2 hours. Preliminarily air is removed from working volume by heated steam fed under the pressure of 3-4 atmospheres, and the oxidation process is performed in pure heated steam fed to the working volume under the pressure of 1.2-1.3 atmospheres. Further, oxidated titanium osteofixation devices are cooled down to the temperature of 250-300°C in furnace in steam medium first, and then in air to the temperature of 20-30°C.
EFFECT: high quality with minimum material and labour cost.
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Authors
Dates
2008-08-27—Published
2006-12-27—Filed