Auto injector Reusable(Developed by DRDO)

Auto injector reusable (AJ-1) is used for self-administration of nerve agent antidotes by the exposed personnel. It contains two tubes, Proximal and distal, made of high strength tough plastic alloy. Distal tube houses the drug cartridge, while proximal tube bears a safety caps and push button. Both tubes are screwed into each other. An o-ring has been provided inside the distal tube to avoid any damage to glass tube due to rough handling. It has a locking and firing mechanism as well as a high tensile strengths spring for pulling back the plunger.