1. Device (6) for a needle apparatus (100) for injection, comprising: - a housing which can be mounted on the apparatus (1) for injection, wherein said body comprises a first element (13) of said device body (6) in the needle toward the proximal end and the second element (15) of the housing in the direction of the distal end of said device (6) of the needle, - a cutting element (14) located at the proximal end of said first body member (13), said cutting element (14) has a sharp proximal end - a cannula (11) mounted on the second element (15) of the housing, said cannula (11) has a blunt proximal end u opening for said cannula (11) provided at the proximal end of the first element (13) of the housing, wherein the first element (13) and a second housing member (15) of the housing can be moved relative to one another between an extended position and a compressed position, wherein the proximal end of the cannula (11) does not pass over the proximal end of the cutting element (14) when the first and second elements (13, 15) of the housing are in an extended position wherein the cannula (11) extends through the aperture of the first element (13) of the housing of the proximal end of the cutting element (14) when the first and second elements (13, 15) of the housing are in a contracted position, characterized in that: the first element (13) the housing is mounted inside the second housing element, thus providing a resilient member (12) adapted to bias the first element (13) and a second housing member (15) of the housing towards the extended polozheniya.2. Device (6) for needle injection device according to Claim. 1, wherein the second element (15) comprises an adapter body (7) configured to install the device (6) of the needle into the apparatus (1) for injection to e1. Устройство (6) иглы для аппарата (100) для инъекций, содержащее:- корпус, который может быть установлен на аппарат (1) для инъекций, причем указанный корпус, содержит первый элемент (13) корпуса указанно
