1. An injection device with a housing (2) which holds the receiving device for the reservoir (5) with injection liquid containing the button (8) control, which for adjustment extruded from a reservoir (5) the injection amount of the liquid is rotatable and displacement, in rotation relative to the housing (2) along the central longitudinal axis (6) of the injection unit (1) in the distal direction of the injection device (1), and for extruding the injected fluid from the reservoir (5) provided with the possibility of change eniya button (8) control along the central longitudinal axis (6) in the proximal direction of the injection device (1), wherein the injection apparatus (1) comprises an injection sleeve (14) which is connected with the housing (2) without the possibility of relative rotation and movable in the axial direction, the injection sleeve (14) via a first threaded connection (33) is connected to a metering mechanism (15) and the metering device (15) is placed with the possibility of relative rotation and axially fixed relative to the housing (2) wherein the injection apparatus (1) comprising a metering piston (103) which is connected without possibility of relative rotation of the button (8) controls and is connected to a metering mechanism (15) via a second threaded connection (34) inside the tank (5) is arranged plug ( 21), against which the dispensing piston (103) of the injection device, wherein the dosing plunger (103) has a disk (20) of the piston that is adjacent to the plug (21) and piston rod (19) connected to the disc (20) piston pivotable, characterized in that the piston rod (19) by means of telescopic parts (18) is connected without possibility include1. Инъекционный аппарат с корпусом (2), в котором выполнено приемное устройство для резервуара (5) с впрыскиваемой жидкостью, содержащий кнопку (8) управления, которая для регулировки выдавливаемого из резервуара (5) количества впрыскиваемой жидкости выполнена с возможностью поворота и перемеще
