Surface structure of a component of a medical device and a method of forming the surface structure
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United States of America Patent
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Aug 28, 2018
Grant Date -
Jan 21, 2016
app pub date -
Sep 29, 2015
filing date -
Apr 8, 2008
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Abstract
A method of forming a surface structure of a component of a medical devices includes forming a fatigue-resistant portion, which entails forming a first layer comprising a transition metal selected from the group consisting of Ta, Nb, Mo, V, Mn, Fe, Cr, Co, Ni, Cu, and Si on at least a portion of a surface of the component, where the surface comprises a nickel-titanium alloy, and alloying the transition metal of the first layer with the nickel-titanium alloy of the surface. The method further includes forming a rough outer surface of the fatigue-resistant portion, where the rough outer surface is adapted for adhesion of a material thereto.
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