Fuente: Wipo "Sensorization" A medical device for actively stretching a stomach wall of a patient for creating a sensation of satiety. The medical device being implantable and comprising a first member configured to be fixated to a first portion of the stomach wall, a second member configured to be fixated to a second portion of the stomach wall, an operation device for operating the second member to displace the second member in a first direction relative to the first member, for stretching the stomach wall between the first and second portion.