Patent ID: 7101355
Filing Date: 2006-09-05
Classification: A61M

Abstract:
1. A passive needle guard, comprising: a body having a cavity therein for receiving a medicine cartridge comprising one of a syringe, ampoule or vial for containing medicine, and the cartridge having a distal end for administering a medication from within the cartridge; a shield slidably attached to the body, the body being biased to retract with respect to the shield from a first position wherein the distal end of the cartridge is exposed toward a second retracted position for withdrawing the distal end of the cartridge into the shield; cooperating members on the body and the shield for holding the body and shield in the extended position; and a latch member extending proximally from a proximal end of one of the shield and the body, the latch member being deflectable for disengaging the cooperating members upon depression of a plunger coupled to the medicine cartridge, whereby the body may be retracted to the retracted position.