Patent ID: 7338530
Filing Date: 2008-03-04
Classification: A61F

Abstract:
1. A stent, comprising: a body with a predetermined length defining a longitudinal axis and two ends; a plurality of smooth-surfaced wings angularly spaced around the body and extending radially outwardly from the body and extending longitudinally along substantially the entire length thereof, wherein channels are formed between adjacent wings, each channel extending substantially the entire length of the body and defining a fluid flow passage; at least two securement barbs, at least one disposed at each end of the body, each barb having a barb root and a barb tip, the barb root securing the securement barb to the body, the securement barb extending generally radially outwardly from the body in cantilevered fashion from the barb root to the barb tip, the securement barb being angled relative to the longitudinal axis with the barb root being located nearer to the end of the body than the barb tip; and a conically tapered tip portion disposed at each end of the body and distal to each barb.