A spring syringe with a retractable needle protected before and after the injection, comprising a body with a distal end and a proximal end, a central tube coaxially disposed in the body with a distal end and a proximal end, with a hole at the distal end, a hollow sliding piston passing through the proximal end and hermetically located in the body and the central tube, the needle holder and the needle, slidably mounted in the central tube, the needle holder has a proximal and distal ends, zhinu mounted in the central tube at the distal end for guiding the needle hub and needle in the central tube made of an inert material which is not reactive, wherein the windings are not in contact with each other without loading the needle holder latching abutment, the needle retainer slots operating together with the latch of the needle holder retainer for holding the needle holder and the needle in the open position when the needle is pulled out from the distal end of the body, the fluid hole in the needle holder through which the fluid passes through the needle holder to the proximal end of the needle in the needle holder, wherein the fluid hole in the needle holder is aligned with the liquid hole in the central tube, which allows the liquid to flow a stopper located at the distal end of the piston, a start-up recess located proximate to the proximal end of the central tube, the needle holder located at the distal end of the piston,Пружинный шприц с выдвигающейся иглой, защищенной до и после выполнения инъекции, содержащий корпус с дистальным концом и проксимальным концом, коаксиально расположенный в корпусе центральный тубус с дистальным концом и проксимальным концом, с отверстием на дистальном конце, полый скользящий поршень, проходящий через проксимальный конец и герметично расположенный в корпусе и центральном тубусе, иглодержатель и иглу, установленные с возможностью скольжения в центральном тубусе, иглодержатель имеет проксимальный и дистальный концы, пружину, установле