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1. (WO2018142027) METHOD AND APPARATUS FOR BREATH ANALYSIS

Pub. No.:    WO/2018/142027    International Application No.:    PCT/FI2018/050073
Publication Date: Fri Aug 10 01:59:59 CEST 2018 International Filing Date: Fri Feb 02 00:59:59 CET 2018
IPC: A61B 5/08
G01N 33/497
A61B 5/097
G01N 21/03
A61B 5/00
Applicants: TEKNOLOGIAN TUTKIMUSKESKUS VTT OY
Inventors: KÄÄRIÄINEN, Teemu
MANNINEN, Albert
Title: METHOD AND APPARATUS FOR BREATH ANALYSIS
Abstract:
A method and an apparatus for breath analysis, the method comprising determining an isotopic composition profile, or a concentration profile of a species, of a first breath cycle (60); determining a threshold (70); determining a sampling time (80); and measuring the isotopic composition, or concentration of the species, during a second breath cycle at the sampling time (80) triggered by reaching the threshold (70).