Patent ID: 7776007

Claim:
A device, comprising: A needle-free injector comprised of an injection orifice; a cap covering the injection orifice of the injector; a mechanism for changing the injector from a safe position to a ready position to a triggering position; wherein the cap is positioned such that the cap must be removed before the injector is placed in the ready position; wherein the mechanism for changing the injector from the safe position to the ready position comprises a latch and wherein the device further comprises a mechanism for moving the latch from a latch safe position to a latch ready position, wherein the mechanism for moving the latch comprises a in and a means for actuating the pin, wherein, upon actuating the pin, the pin pushes the latch from the latch safe position to the latch ready position; and wherein the means for actuating the pin comprises a lever movable from a lever safe position to a lever ready position, and a collar at least partially encircling the injector, wherein actuating the lever moves the collar which moves the pin against the latch wherein the latch is moved from the latch safe position to the latch ready position.