Patent ID: 9642728
Date: 2017-05-09
CPC Classifications: A61F,Y10S

Claim:
1. An intravascular device comprising: a tubular stent body expandable from an undeployed configuration to a deployed configuration, the stent body defining an exterior surface and an interior surface arranged about a stent axis, wherein some areas of the interior surface have a roughened surface finish and other areas of the interior surface are devoid of the roughened surface finish, the some areas having the roughened surface finish being on opposite sides of a center line of the stent body, the center line being orthogonal to the stent axis, wherein substantially all of the exterior surface of the stent body has a generally smooth finish relative to the roughened surface finish of the interior surface, wherein the stent body includes a plurality of ribs defining openings extending through the stent body from the interior surface to the exterior surface, and wherein the roughened surface finish of the interior surface defines pits having a maximum dimension of approximately 3 microns to approximately 20 microns in size.