Patent ID: 9011518
Filing Date: 2015-04-21
Classification: A61F,Y10S

Abstract:
1. An intravascular device, which comprises: a stent body comprising an un-deployed orientation for introduction and passage through vasculature for positioning adjacent a deployment site therewithin, and a deployed orientation in which the stent body is capable of being retained within the vasculature at the deployment site, the stent body including a metal base and defining an interior surface and an exterior surface arranged about a stent axis, the stent body having a plurality of ribs defining openings extending through the stent body from the interior surface to the exterior surface, and having radial surfaces extending from the interior surface to the exterior surface, at least a segment of the interior surface having a roughened surface finish defined in the metal base and wherein the exterior surface of the stent body has a generally smooth finish relative to the roughened surface finish of the interior surface, and wherein the roughened surface finish is dimensioned to extend along the stent axis and is spaced from axial ends of the stent body such that axial end segments of the interior surface are devoid of the roughened surface finish and a central segment between the axial end segments has the roughened surface finish.