Animal Experiment on In vivo Galvanic Corrosion of SUS316L and Ti-6Al-4V
نویسنده
چکیده
Because of the risk of galvanic corrosion, combination use of different metals is supposed to be prohibited in in-vivo environment. Ti-6Al-4V (Ti64) has been use for biomaterials due to its good biocompatibility [1-3]. Therefore, the combination use with the conventional stainless steel of SUS316L (SUS) is increasing due to accidental misuse in emergency cases or necessary choice of stainless wire to tie up bone fragments in complicated fracture and femoral mid shaft fracture after Total Hip Arthroplasty. Ideally, these high quality implant metals of SUS and Ti64 will avoid even galvanic corrosion due to the very stable oxide film [4]. However, the combination use of different implant metal is prohibited by instruction manuals of the medical devices.
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