Zirconium oxide and nitride oxide coated cardiovascular...

Details Zirconium oxide and nitride oxide coated cardiovascular... Zirconium oxide and nitride oxide coated cardiovascular...

A - Human Necessities

61

F

A61F 2/24 (2006.01) A61F 2/00 (2006.01) A61F 2/06 (2006.01) A61L 27/00 (2006.01) A61L 27/04 (2006.01) A61L 27/30 (2006.01) A61L 29/10 (2006.01) A61L 31/02 (2006.01) A61L 31/08 (2006.01) A61L 33/02 (2006.01)

Patent

CA 2088696

- 23 - ABSTRACT The invention provides synthetic metallic heart valves fabricated of zirconium or zirconium alloys that are coated with blue-black zirconium oxide or zirconium nitride to provide a surface that is hard, biocompatible, resistant to impact, cavitation, and microfretting wear and exhibits improved hemocompatihility.

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