Respiratory Waveform Analyzer

A respiratory waveform analyzer (10), operable to analyze a respiratory waveform, which is generated based on a temporal change of a concentration of a component in respiratory gas of a subject, includes: a respiratory gas concentration generator (100,210) which generates a concentration signal base...

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Bibliographic Details
Main Authors AOKI, TOSHIKI, ECHIGO, MASAHIRO, UKAWA, TEIJI, DAINOBU, HIDETOSHI
Format Patent
LanguageEnglish
French
German
Published 03.04.2013
Subjects
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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Summary:A respiratory waveform analyzer (10), operable to analyze a respiratory waveform, which is generated based on a temporal change of a concentration of a component in respiratory gas of a subject, includes: a respiratory gas concentration generator (100,210) which generates a concentration signal based on an output signal from a sensor (50) that is placed to measure the concentration of the component; a flatness calculator (220) which calculates a flatness indicative of flat degree of the respiratory waveform based on a temporal change of the concentration signal; and a reliability calculator (230) which calculates a reliability of the respiratory waveform based on the flatness and the concentration signal.
Bibliography:Application Number: EP20100158368