Patent ID: 8992596
Filing Date: 2015-03-31
Classification: A61L,C25D,Y10T

Abstract:
1. A device that is an endoprosthesis, optionally as an intraluminal endoprosthesis, having a base body comprising at least partially a metallic material, and having a function element attached directly to the base body and having a different metallic material composition in comparison with the material of the base body in at least a portion of its volume, optionally having at least partially radiopaque and/or radiologically opaque material, characterized in that a first layer is applied to and/or introduced into the borderline area between the base body and the function element, extending to an outer surface of the device, such that said first layer a) comprises oxide and phosphates of both the metallic material of the base body and the different metallic material of the function element, wherein the oxides and phosphates are produced by plasma-chemical treatment of the base body with attached function element in an aqueous solution containing phosphate ions, or b) comprises magnesium stearate.