METHOD OF EXHALED GAS MEASURING AND ANALYSIS AND APPARATUS THEREFOR

METHOD OF EXHALED GAS MEASURING AND ANALYSIS AND APPARATUS THEREFOR

The present invention relates to an apparatus for exhaled gas measurement and analysis, wherein an exhalation collected in a breath bag capable of expanding and contracting is sucked into a gas inlet vessel 21 with a given volume (Va), and then the gas inlet vessel 21 is communicated by means of val...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUBO, YASUHIRO, MORI, MASAAKI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Beschreibung
Zusammenfassung:The present invention relates to an apparatus for exhaled gas measurement and analysis, wherein an exhalation collected in a breath bag capable of expanding and contracting is sucked into a gas inlet vessel 21 with a given volume (Va), and then the gas inlet vessel 21 is communicated by means of valve V2 with a cell 11 that is maintained at an atmospheric pressure by being pre-filled with a sample gas or reference gas. After the communication, the gas pressure is measured by a pressure sensor 16 attached to the cell 11. Whether the exhalation collected in the breath bag is below a given amount or not can be accurately judged.