Safety and the simple equipment that removes for a rigid needle shield from a syringe, the device includes the wall with an inside and an outer surface, a rigid needle shields limit the inner surface of the wall of a tubular hollow part along the longitudinal axis, the inner wall includes one being suitable for receiving the groove of moveable compressible gasket within the groove along the longitudinal axis from a part of groove, wherein the washer is in a relatively a part of the uncompressed state to the groove, wherein the washer is in the relatively compressive state compared with relatively uncompressed state, the groove arrangement wherein clamps rigid needle shield at making washer in compressive state.