Zirconium oxide and nitride coated cardiovascular implants

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder

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623 11, 623900, 427 2, A61F 224, A61F 202, A01N 102

Patent

active

052580229

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 hemocompatibility.

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