The Nellcor N-2500 MMGM.
D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D004867:Equipment Design / Q000592:standards; D004868:Equipment Failure; D005069:Evaluation Studies as Topic; D006801:Humans; D008176:Lung Volume Measurements; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D010092:Oximetry / Q000295:instrumentation*