Method and apparatus for limiting absorption of food products in specific
parts of the digestive system is presented. A gastrointestinal implant
device is anchored in the stomach and extends beyond the ligament of
Treitz. All food exiting the stomach is funneled through the device. The
gastrointestinal device includes an anchor for anchoring the device to
the stomach and a flexible sleeve to limit absorption of nutrients in the
duodenum. The anchor is collapsible for endoscopic delivery and removal.
