A gastrointestinal bypass device for directing food and liquids from an esophagus and/or a proximal portion of a stomach into an intestines is described. The device comprises a receiver, a sleeve, and a device coupling. The receiver may be configured to be positioned in the esophagus and/or the stomach. A proximal portion of the receiver may be configured to open and close to at least partially conform to an inside of the esophagus and/or a proximal portion of the stomach. The receiver may be configured to receive food and liquids from the esophagus and/or a proximal portion of the stomach into a lumen of the receiver. The sleeve may be coupled to a distal portion of the receiver. The sleeve may be configured to be positioned in the stomach and the intestines. The sleeve may have a lumen in communication with the lumen of the receiver. The sleeve may be configured to direct the food and the liquids from the receiver into the intestines. The device coupling may be coupled to the distal portion of the receiver and/or a proximal portion of the sleeve. The device coupling may be configured to be coupled to one or more tissue anchors.
