A device giving warning of impending failure of the nitrous oxide or oxygen supply.
D000758:Anesthesia; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D000776:Anesthesiology; D006801:Humans; D009609:Nitrous Oxide; D010100:Oxygen
D009609:Nitrous Oxide; D010100:Oxygen
ANESTHESIA, INHALATION/apparatus and instruments