METHOD OF APPLICATION OF COAT ON IMPLANT MADE FROM TITANIUM OR ITS ALLOYS Russian patent published in 2004 - IPC

Abstract RU 2221904 C1

FIELD: medical engineering; traumatology and orthopedics. SUBSTANCE: proposed method includes anodization of implant by pulses or direct current under conditions of spark discharge at pulse repetition frequency of 0.5-10.0 Hz in sulfuric acid solution during 10-30 min at continuous mixing; anodization is performed at voltage of 90-200 V and temperature of 20- 35 C in phosphoric acid solution at concentration of 5-25% containing CaO powder to supersaturated state or in phosphoric acid solution at concentration of 5-25% containing CaO powder to supersaturated state and additionally containing 5-10-% suspension of hydroxyapatite at dispersity of 70 mcm. EFFECT: low cost of process; facilitated procedure of obtaining bio-active coat. 1 tbl, 2 ex

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RU 2 221 904 C1

Authors

Ignatov V.P.

Vereshchagin V.I.

Shakhov V.P.

Mishunina N.V.

Petrovskaja T.S.

Dates

2004-01-20Published

2002-07-16Filed