1. A disposable drug delivery device for selecting and distributing several user-modifiable doses of a medicine, comprising a housing (10, 20), a cartridge holder (11) for holding a drug cartridge (80), a piston rod (30), relative to cartridge holder (11), actuator (40) attached to the piston rod (30), an indicator element (60) for indicating the set dose, attached to the housing (10, 20) and to the actuator (40), and a button (70), attached to the indicator element (60) and to the actuator (40), Moreover, the drug supply device (1) contains at least one of the following features: - the housing contains an outer part (12) and an inner part (20) with an outer part representing an integral component with a cartridge holder (11), - a drive (40 ) is in threaded engagement with the piston rod (30), is constantly locked for rotation relative to the button (70) and is axially displaceable relative to the button (70) in the proximal direction against the force of the elastic element (44), which is an integral component either with a drive (four 0), or with a button (70), - the housing (10, 20) has an inner surface with grooves (22), and the drive (40) contains at least one protrusion (45), which is in the first position along the axis of the button (70 ) relative to the actuator (40) can elastically move in the radial direction, and which in the second position along the axis of the button (70) relative to the actuator (40) is forcibly shifted by the button (70) to the radial outward position, thereby blocking the rotation of the actuator (40) relative to the housing (10, 20), - the first acting rotary latch (64, 74), formed by the button (70) and indicator light ementom (60) which is in the attached state when setting the dose and1. Одноразовое устройство подачи лекарственных средств для выбора и распределения нескольких изменяемых пользователем доз лекарственного средства, содержащее корпус (10, 20), держатель (11) картриджа для удержания картриджа (80), содержащего лекар