Patent ID: 8998977
Filing Date: 2015-04-07
Classification: A61F,A61L,Y10T

Abstract:
1. A stent comprising: a hollow wire formed into a stent pattern, the wire having a wire outer surface and a wire inner surface, the wire inner surface defines a wire lumen, wherein prior to implantation in a body lumen the wire includes, a radiopaque member lining at least a portion of the wire inner surface, the radiopaque member having a radiopaque member inner surface and a radiopaque member outer surface contacting the wire inner surface, a radiopaque member lumen defined by the radiopaque member inner surface and extending longitudinally within the radiopaque member at the portions of the wire inner surface lined by the radiopaque member and defined by the wire inner surface at any portions of the wire inner surface not lined by the radiopaque member, a biologically or pharmacologically active substance disposed in the radiopaque member lumen, and at least one opening disposed through the wire outer and inner surfaces to the wire lumen or through the wire outer and inner surfaces and the radiopaque member to the radiopaque member lumen.