The container (1) has an envelope (6) that is closed up to an opening (7) for delivering the medicine, an arrangement for connecting (4) the opening to an administration device, whereby the container is designed so that the medicine is delivered by varying at least one region of the envelope, which is made in one piece. Independent claims are also included for the following: (A) a method of manufacturing an inventive device (B) and a device for administering a medicine.