Antibacterial medical product and method for producing same
AssigneeOerlikon Surface Solutions AG, PfäFfikon
InventorsCarmen Leonor Colmenares Mora, Arnd Mueller, Albert Peter Gerhard Janssen
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Abstract
The present invention relates to a medical product, comprising an antibacterial hard material coating, which is applied to a main body and which comprises biocide. Said hard material coating includes at least one inner layer and one outer layer, wherein the biocide concentration in the outer layer is substantially constant and greater than the biocide concentration in the inner layer and the biocide concentration in the inner layer is greater than or equal to 0.2 at %.
Claims13
A method of applying a hard material coating on a main body of a medical product by a physical vapor deposition process, comprising first depositing a biocide-free material applied from a first target via arc ion plating onto the main body, and then depositing a biocide-containing material applied from a second target via magnetron sputter ion plating onto the biocide-free material, wherein the method is conducted at a temperature of less than or equal to 300° C.
Dependencies are inferred from the claim text.