Methods and devices for simulating a gastric bypass and reducing the volume of the stomach involve placing a tubular liner along the lesser curve of the stomach cavity. Also, methods and devices for slowing gastric emptying involve placing valves within the stomach cavity near the gastro-intestinal junction...http://www.google.com/patents/US7753870?utm_source=gb-gplus-sharePatent US7753870 - Systems and methods for treating obesity
