A method is disclosed for creating an anchor within the gastrointestinal tract for supporting a barrier device therein. The gastrointestinal tract has a first wall, a second wall and a body lumen. The method comprises advancing an anchoring device through the first wall and the second wall, threading...http://www.google.se/patents/US8043248?utm_source=gb-gplus-sharePatent US8043248 - Method for securing a barrier device within the gastrointestinal tract and integral component for same