Patent ID: 8822929

Claim:
A device for receiving a breath sample, the device comprising: a metallic tube for receiving the breath sample, the metallic tube having an interior diameter between 5 and 12 mm, a length between 140 mm and 220 mm and an interior surface that reflects at least the infrared radiation of wavelengths that are between (9μ, 10μ); at each end of the metallic tube a nozzle comprising a cone-shaped section placed in the tube axis, and whose opening angle is between 8° and 30°; a device for emitting pulsated radiation, the device being placed on the longitudinal axis of the tube, at the level of one of the nozzles; an infrared receiver placed on the longitudinal axis of the tube, at the level of the other nozzle; and a heating element adapted to bring the tube to a temperature above 39° Celsius.