Medical Developments International Limited manufactures and distributes emergency medical solutions in Australia, Europe, the United States, and internationally. The company operates through Pain Management and Respiratory segments. It offers respiratory devices for sufferers of asthma and chronic obstructive pulmonary disease; Penthrox, a trauma and emergency pain relief product; and medical devices, such as CPR face shield key rings, CPR masks, finger pulse oximeters, flow meter regulators, MDI tourniquets, manually triggered ventilators, OXI port carry and hand bags, oxygen resuscitation kits, oxygen therapy masks, and resuscitators. The company was incorporated in 2003 and is headquartered in Scoresby, Australia.