Checkmed Systems, Inc.

P Jay Pasricha

Frank Carter

Anthony Nicholas Kalloo

A biliary stent has a number of smooth-surfaced wings extending radially outwardly from a central region and extending longitudinally along substantially the entire length of the stent. A securement barb is located at one end of the stent and extends generally radially outwardly toward a side of the stent in cantilevered fashion at an angle less than or equal to 90&#xb0;. The securement barb is angled such that it presents an outward-facing half-arrowhead profile. At least one end of the stent is smoothly or conically tapered. In one embodiment, the wings extend linearly along the stent; in another embodiment, the wings extend helically along the stent. Either embodiment may have a pigtail configuration at one or both ends.

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Houston, TX, United States of America

P Jay Pasricha