A needle shield having a front end opening through which a winged needle as a whole is retracted and a base end opening through which a flexible tube connected to the winged needle is passable. The needle shield includes a winged needle retention means projecting into the interior side of the needle shield to define one or more traps, the winged needle retention means receiving, into the one or more traps, portions of one or more wings of the winged needle for preventing protrusion of the winged needle past the winged needle retention means when the winged needle is translated within said needle shield towards the front end opening of the needle shield from a retracted state of the winged needle.
