A needle based medical device and method of manufacturing the same are disclosed. A needle device includes a hub having a longitudinal axis a needle having a sharp distal tip and a needle shield assembly associated with the needle and moveable from a non shielding position to a shielding position. In the shielding position the sharp distal tip is covered by at least part of the needle shield assembly. A bushing disposed about the needle and a latch for engaging with the hub when the needle shield assembly is in the non shielding position are further provided.