END TIDAL CARBON DIOXIDE GAS ANALYZER

END TIDAL CARBON DIOXIDE GAS ANALYZER

END TIDAL CARBON DIOXIDE GAS ANALYZER A method and apparatus are described for determining the partial pressure of carbon dioxide in the arterial blood of a patient. The method and apparatus are particularly useful where the patient is under anesthesia. Carbon dioxide concentration is measured at th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BUROUGH, IRVIN G, PASSARO, ROBERT E
Format: Patent
Sprache:eng ; fre
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Beschreibung
Zusammenfassung:END TIDAL CARBON DIOXIDE GAS ANALYZER A method and apparatus are described for determining the partial pressure of carbon dioxide in the arterial blood of a patient. The method and apparatus are particularly useful where the patient is under anesthesia. Carbon dioxide concentration is measured at the end tidal of the patient's exhaled breath. Nitrous oxide concentration is also measured so that the measured values of the carbon dioxide concentration may be corrected in accordance with the measured value of the nitrous oxide concentration. Particular wavelengths of detection are described, together with other apparatus parameters to provide a high level of accuracy.