Prosthesis of polymeric material coated with biocompatible carbon

A prosthetic device comprising a substrate, and a thin coating of turbostratic biocompatible carbon having a density of at least 2.2 g/cm.sup.3 deposited directly on and firmly adherent to said substrate by triode cathodic sputtering of carbon onto said substrate without degradation of said substrate, wherein said substrate is selected from the group consisting of polyester resins, polytetrofluoroethylene, silicone, polyacetyl resins, polyurethanes and polyethylene.

A prosthetic device selected from the group consisting of a cardiac valve, tubing and suture yarn comprising a substrate and a thin coating of turbostratic biocompatible carbon having a density of at least 2.2 g/cm.sup.3 and a thickness of not more than about 1.0 micron deposited directly on and firmly adherent to said substrate by triode cathodic sputtering of carbon onto said substrate without degradation of said substrate.

A prosthetic device comprising a substrate and a thin coating of a turbostratic biocompatible carbon having a density of at least 2.2 g/cm.sup.3 firmly adhered to said substrate, said coating deposited on said substrate by triode cathodic sputtering of carbon directly onto said substrate at a temperature below the softening point of the substrate without degradation of said substrate.

A prosthetic device comprising a substrate and a thin coating of turbostratic biocompatible carbon having a density of at least 2.2 g/cm.sup.3 firmly adhered to said substrate, said coating deposit, by triode cathodic sputtering of carbon directly onto said substrate at a temperature below the softening point of said substrate without degration of said substrate, wherein said substrate is selected from the group consisting of polyester resins, polytetrafluoroethylenes, silicones, polyacetyl resins, polyurethanes and polyethylenes.

A prosthetic device selected from the group consisting of a cardiac valve, tubing and suture yarn comprising a substrate and a thin coating of turbostratic biocompatible carbon having a density of at least 2.2 g/gm.sup.3 and a thickness of not more than about 1.0 micron deposited directly on and firmly adherent to said substrate by triode cathodic sputtering of carbon onto said substrate at a temperature below the softening point of said substrate without degradation of said substrate, wherein said substrate is selected from the group consisting of polyester resins, polytetrafluoroethylenes, silicones, polyacetyl resins, polyurethanes and polyethylenes.

A prosthetic device comprising a substrate and a thin coating of a turbostratic biocompatible carbon having a density of 2.4 g/cm.sup.3 firmly adhered to said substrate, said coating deposited on said substrate by triode cathodic sputtering of carbon directly onto said substrate at a temperature below the softening point of the substrate without degradation of said substrate.

A prosthetic device comprising a substrate, and a thin coating of turbostratic biocompatible carbon having a density of 2.4 g/cm.sup.3 firmly adhered to said substrate, said coating deposited by triode cathodic sputtering of carbon directly onto said substrate at a temperature below the softening point of said substrate without degradation of said substrate wherein said substrate is selected from the group consisting of polyester resins, polytetrafluoroethylenes, silicones, polyacetyl resins, polyurethanes and polyethylenes.

A prosthetic device selected from the group consisting of a cardiac valve, tubing and suture yarn comprising a substrate and a thin coating of turbostratic biocompatible carbon having a density of 2.4 g/cm.sup.3 and a thickness of not more than about 1.0 micron deposited directly on and firmly adherent to said substrate by triode cathodic sputtering of carbon onto said substrate at a temperature below the softening point of said substrate without degradation of said substrate, wherein said substrate is selected from the group consisting of polyester resins, polytetrafluoroethylenes, silicones, polyacetyl resins, polyurethanes and polyethylenes.