An electrically-powered device intended to be used in a clinical setting and in the home to measure the concentration of exhaled carbon dioxide (CO2) in normal tidal breathing, using a particular method (e.g., infrared spectroscopy, gas chromatography), and...
An electrically-powered device intended to be used in a clinical setting and in the home to measure the concentration of exhaled carbon dioxide (CO2) in normal tidal breathing, using a particular method (e.g., infrared spectroscopy, gas chromatography), and...