A porous weave of bioabsorbable filaments having an open mesh configuration is formed into an oblate shape having dimensions greater than the esophageal opening and gastric outlet of a stomach. The resulting prosthesis is deployed in the stomach and is of a size to be retained in the proximate portion...http://www.google.ca/patents/US20040172143?utm_source=gb-gplus-sharePatent US20040172143 - Intragastric prosthesis for the treatment of morbid obesity
