Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Heart valve – Having rigid or semirigid pivoting occluder
Patent
1992-02-04
1993-11-02
Green, Randall L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Heart valve
Having rigid or semirigid pivoting occluder
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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Green Randall L.
Nguyen Dinh X.
Smith & Nephew Richards Inc.
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