Surface modification of titanium alloy implants

Hip replacement stems manufactured from Ti6AI4V titanium alloy were surface treated in one of four ways and tested for dissolution resistance in bovine serum. Those stems treated thermally were found to have significantly lower metal ion release compared with those receiving standard commercial trea...

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Veröffentlicht in:	Biomaterials 1994-09, Vol.15 (11), p.894-898
Hauptverfasser:	Browne, M., Gregson, P.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Alloys - adverse effects Alloys - chemistry Alloys - pharmacokinetics Aluminum - pharmacokinetics Animals Biocompatible Materials - adverse effects Biocompatible Materials - chemistry Biocompatible Materials - pharmacokinetics Biological and medical sciences Cattle Corrosion dissolution Hip Prosthesis - adverse effects Humans In Vitro Techniques Materials Testing Medical sciences Orthopedic surgery Oxidation-Reduction Prostheses and Implants - adverse effects serum Surface Properties surface treatment Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Titanium - adverse effects Titanium - chemistry Titanium - pharmacokinetics Titanium alloys titanium dioxide
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Beschreibung
Zusammenfassung:	Hip replacement stems manufactured from Ti6AI4V titanium alloy were surface treated in one of four ways and tested for dissolution resistance in bovine serum. Those stems treated thermally were found to have significantly lower metal ion release compared with those receiving standard commercial treatments. The improved dissolution behaviour is associated with a change in the surface oxide structure from mixed titanium oxides to a more stable rutile structure.
ISSN:	0142-9612 1878-5905
DOI:	10.1016/0142-9612(94)90113-9