A device for the treatment of obesity, the device including an inflatable member positionable within the stomach of a patient and an elongated flexible sleeve positionable in the intestine of the patient and having a proximal end coupled to said inflatable member, a distal end and a side wall extending from said proximal end to said distal end and defining a lumen. The inflatable member includes an aperture for the passage of food, said aperture being in communication with the lumen of the elongated flexible sleeve.
