Amorphous oxide surface film for metallic implantable devices and method for production thereof
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United States of America Patent
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Issued Date -
Oct 20, 2005
app pub date -
Apr 19, 2004
filing date -
Apr 19, 2004
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Abstract
An amorphous oxide surface film for metallic implantable devices and method for production thereof, wherein the amorphous oxide film is characterized by a high concentration of oxygen, chromium and hydroxyl ions within the film so as to form a non-stoichiometric chromium oxide with significant negative charge; thereby, improving the corrosion resistance and biocompatibility of the metallic implantable device, and thus significantly reducing the degree of thrombogenicity and restenosis.
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