1. A protective device (1) for a prefilled syringe (2), comprising: a hollow support body (1.2) for holding a pre-filled syringe (2), the hollow casing (1.1) of the needle, which is movable relative to the support body (1.2) from the first position (I) to a second position (II), releasable fastening means (M) for setting a prefilled syringe (2) in the support body (1.2) ipruzhinnoe means (1.4) disposed in the bearing housing (1.2) in the unstressed or only slightly stressed condition, wherein movement of the housing (1.1) of the needle a first position (I) into a second position (II) completely straining spring means (1.4) .2. A protective device (1) according to Claim. 1, characterized in that it comprises locking means (L), preventing movement of the housing (1.1) of the needle from the second position (II) to the first position (I) .3. A protective device (1) according to claim. 2, characterized in that the locking means (L) comprises at least one locking hook (1.1.1) of the casing (1.1) is a needle which projects into the first recess (1.2.1) formed in the support body (1.2) for holding the housing (1.1) of the needle in the first position (I) .4. A protective device (1) according to Claim. 3, characterized in that the blocking means comprises a second recess (1.2.4) formed in the support body (1.2), wherein the locking hook (1.1.1) engages the second recess (1.2.4), formed for the irreversible locking casing (1.1) of the needle in the second position (II) .5. A protective device (1) according to Claim. 1, characterized in that the protective device (1) generates a first audible feedback indicating that the spring means (1.4) is completely napryazheno.6. A protective device (1) according to Claim. 1, characterized in that the spring means is made of a layer1. Защитное устройство (1) для предварительно заполненного шприца (2), содержащее:полый опорный корпус (1.2) для удержания предварительно заполненного шприца (2),полый кожух (1.1) иглы, который подвижен относи
