ENDOTRACHEAL TUBE AND MASS SPECTORMETER

A non-invasive apparatus (10) for continuously measuring the cardiac output and cardio-respiratory function includes a gas sampling device which is inserted into the mouth of a human subject. The gas sampling device may be a disposable endotracheal tube (11) or a smaller disposable mouthpiece (143)....

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Bibliographic Details
Main Author BACANER, MARVIN B
Format Patent
LanguageEnglish
Korean
Published 09.01.1995
Edition6
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY
DIAGNOSIS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:A non-invasive apparatus (10) for continuously measuring the cardiac output and cardio-respiratory function includes a gas sampling device which is inserted into the mouth of a human subject. The gas sampling device may be a disposable endotracheal tube (11) or a smaller disposable mouthpiece (143). Each of these gas sampling devices is provided with a plurality of passages for sampling the lung gases and for continuously sampling the gas pressure on opposite sides of a capillary restriction member (27). A miniature motor pump mass spectrometer module (12) is mounted on the upper end of the endotracheal tube or mouthpiece. Electronic circuitry (160) connected to the mass spectrometer permits constant visual monitoring of the cardiac output and cardio-respiratory function.
Bibliography:Application Number: KR19890008146