1. An injection device for administering doses of liquid medicine, comprising: - a cartridge installed therein provided with a movable piston and adapted to contain a liquid drug, - a node that sets the dose response to the setting into place removes the cap from the injection device transfer to the cocked state, ready to give a dose of a first size, - user-controlled dose adjustment unit, the configuration of which allows, in the cocked state of the device, to adjust the dose per Vågå size to determine the dose of a second size, - injected assembly comprising a piston rod connected to the movable piston and having configured to advance the piston a predetermined distance along the axis inside the cartridge from the first position to the cocked position the device into the second position in the uncocked state of the device corresponding to the second dose administration razmera.2. The apparatus of claim 1, wherein the proximal position of the movable piston set proximal stopper operatively mating with a piston rod for the purpose to hold the piston rod in the first polozhenii.3. The apparatus of claim 1, wherein the second position of the movable piston is set to a distal stopper operatively mating with the stem of the piston to block the piston rod in a second, distal polozhenii.4. The apparatus according to claim 2, wherein the unit dose adjustment is configured in order to adjust the size of the dose, with the option to shift axially within the housing of the injection device at least a distal stop, or at least proximal stopor.5. The apparatus according to claim 2, complementary1. Инъекционное устройство для введения доз жидкого лекарственного препарата, содержащее:- картридж, снабженный установленным в нем подвижным поршнем и выполненный с возможностью содержать жидкий лекарственный препарат,- узел, устанавливающий дозу в ответ на установку снимаемого колпачка на место с переводом инъекционного устройства во взведенное состояние, готовое к выдаче дозы первого р
