Patent ID: 9579228
Date: 2017-02-28
CPC Classifications: A61F

Claim:
1. An intestinal barrier sleeve comprising an expanding anchor section coupled to a tubular section at an interface therebetween at a proximal end of the tubular section, the expanding anchor section expandable from at least one collapsed position to at least one expanded position, wherein in the collapsed position the expanded section has a compact shape that allows the sleeve to be placed into a subject's gastrointestinal tract endoscopically and in the expanded position the expanding anchor section retains the sleeve in the subject's stomach near the gastrointestinal tract, wherein: the expanding anchor section has a conical shape with a hole therein at a narrow end of the conical shape, and wherein the conical shape is in communication with a lumen of the tubular section through the hole; the expanding anchor section comprises a plurality of backbone elements extending radially from the narrow end of the conical shape; the expanding anchor section further comprises a plurality of petal-like elements extending radially from the narrow end of the conical shape and wherein the backbone elements are joined to the petal-like elements; the expanding anchor section further comprises a webbing and wherein the petal-like elements are coupled to each other with the webbing; and the expanding anchor section in the at least one expanded position provides resistance to retain the intestinal barrier sleeve within the subject's gastrointestinal tract without affixing the intestinal barrier sleeve directly to walls of the subject's gastrointestinal tract.