Investigated objects | Material components, percentage of metal elements, orifice area |
---|---|
Synthetic aortic valve | Acrylonitrile-Butadiene-Styrene copolymer (ABS plus), 3D printed |
Orifice area: 2.0 cm2 | |
Prosthesis I | Stent: polyoxymethylene, covered with polyester cloth |
Annulus: tungsten, silicon | |
Leaflet: glutaraldehyde fixated bovine pericardium | |
Orifice area: 2.0 cm2 | |
Prosthesis II | Stent: corrosion-resistant Elgiloy (cobalt 40%, chromium 20%, nickel 15%, molybdenum 7%, manganese 2%, carbon <0.10%, beryllium <0.10%, iron 5.8%) |
Leaflet: bovine pericadium | |
Orifice area: 1.8 cm2 | |
Prosthesis III | Orifice: pyrolythic carbon |
Leaflets: pyrolytic carbon graphite coated and tungsten (20%) impregnated | |
Annulus: pyrolytic carbon, velour polyester, titanium, coated with Hemashield conduit (double velour polyester collagen impregnated) | |
Orifice area: 1.55 cm2 |