title: Fail-safe device for an oxygen failure in anaesthetic apparatus.
abstract: The criteria for an oxygen fail-safe device are designed to prevent a hypoxic gas mixture being administered to the patient should the oxygen supply fail, be disconnected, or be turned off. A fail-safe device which fulfils these criteria is described.
mesh_terms: D000056:Accident Prevention; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D010100:Oxygen; D012449:Safety
chemical_list: D010100:Oxygen