1. A drug delivery device that comprises: a housing (102)； a protective sleeve (106) movable between the extended position and the retracted position relative to the housing (102)； a guide sleeve (114) rotatably located in the housing (102)； piston ( 110) with the possibility of sliding, located in the protective sleeve (106)； an button (126) connected to the housing (102), while the protective sleeve (106) is in the retracted position, moving the button (126) relative to the housing (102) causes the guide sleeve (114) to rotate relative to the protective sleeve (106), while the rotation of the guide sleeve (114) relative to the protective sleeve (106) allows the piston (110) to move a predetermined axial distance relative to the protective sleeve (106) .2. A drug delivery device according to claim 1, which further comprises: a cartridge (200) of the drug located in the housing (102), the cartridge (200) comprising a stop (202) located in the cartridge (200) with the possibility of sliding. A drug delivery device according to claim 1, wherein the body (102) is adapted to engage with the needle assembly (300), which has a needle (302). A drug delivery device according to claim 3, wherein in the extended position, the thermowell (106) closes the needle (302) .5. The drug delivery device according to claim 1, which further comprises: a spring (108) of the thermowell that biases the thermowell (106) in the direction of the extended position. A drug delivery device according to claim 1, which further comprises: a piston spring (112) that biases the piston (110) relative to the housing (102) .7. The drug delivery device according to claim 1, wherein the piston (112) comprises a handle (142) made with1. Устройство доставки лекарственного средства, которое содержит:корпус (102)；защитную гильзу (106), перемещаемую между выдвинутым положением и втянутым положением относительно корпуса (102)；направляющую гильзу (114), расположенную поворотно в корпусе (102)；поршень (110) с воз
