Medical devices, particularly stents and methods for their...

Details Medical devices, particularly stents and methods for their... Medical devices, particularly stents and methods for their...

A - Human Necessities

61

L

A61L 27/04 (2006.01) A61F 2/06 (2006.01) C22F 1/00 (2006.01) C23C 8/16 (2006.01) C23F 1/00 (2006.01) C25D 11/26 (2006.01) C25D 11/34 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2367790

A medical device which includes a component formed from an alloy which contains at least about 40% Ni by weight. The alloy in a 10 nm deep surface region of the component contains not more than about 10% Ni by weight. The Ni content in that surface region can be reduced by polishing and oxidizing treatment such as (a) exposure to superheated steam, or (b) immersion in a chemical solution, or (c) an electrochemical treatment, using the device as the anode in a solution bath with a current running therethrough.

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