Measuring volume of inspired or expired gases, e.g. to determine lung capacity

Full Title

Measuring for diagnostic purposes (radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00); Identification of persons > Measuring devices for evaluating the respiratory organs > Measuring volume of inspired or expired gases, e.g. to determine lung capacity

Child Classifications

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• A61B 5/093 the gases being exhaled into, or inhaled from, an expansible chamber, e.g. bellows or expansible bag