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Functional coatings for implants

20 April 2011
Written by Gnezdenkov S.V., Sharkeev Yu.P., Sinebryukhov S.L., Khrisanforova O.A., Legostaeva E.V., Zavidnaya A.G., Puz A.V., Khlusov I.A.

  UDK: 661.882.27:666.651.4:616‑089.843 | Pages: 12–19 | Read full textDownload PDF 

Annotation:

The paper reviews results of the scientific researches on the surface modification of tita‑nium alloys used in implant surgery, considering a specific example of corrosion‑resistant bioinert composite coatings made of titanium nickelide and hydroxyapatite‑containing bioactive calcium‑phosphate layers, and titanium‑BT1‑0. The authors have modified the titanium alloy surfaces by plasma electrolytic oxidation method. The production conditions determine the planned functions of coatings. As reported, the task-specific selection of electrolytes used to produce coatings allows to obtain calcium‑phosphate layers on the surface of technical grade titanium ВТ1‑0. Their biological activity is confirmed by in vivo and in vitro experiments. The authors offer promising prospects for applying plasma electrolytic oxidation method in an effort to produce on the titanium nickelide the bioinert composite coatings known to improve its morphological structure and electrochemical prop‑erties, thus considerably decreasing ingress of nickel ions into organism.

Links to authors:

S.V. Gnezdenkov, S.L. Sinebryukhov, O.A. Khrisanforova, A.G. Zavidnaya, A.V. Puz
Institute of Chemistry (159 100 Year Anniversary of Vladivostok Av. Vladivostok 690022 Russian Federation),
Yu.P. Sharkeev, E.V. Legostaeva
Institute of Strength Physics and Materials Science of the Siberian Branch of Russian Academy of Sciences (2/4 Akademicheskiy Av. Tomsk 634021 Russian Federation),
I.A. Khlusov
Federal State Institution ‘‘Russian Ilizarov Scientific Centre‘ Restorative Traumatology And rthopaedics’’ of Ministry of Health and Social Development of the Russian Federation (6 Ulyanova St. Kurgan 640014 Russian Federation),
I.A. Khlusov
REC ‘Bio-compatible Materials and Biomedical Engineering’ of Tomsk Polytechnic University and Siberian State Medical University (2 Moskovskiy Tr. Tomsk 634050 Russian Federation)

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