A
HUMAN NECESSITIES
A
HUMAN NECESSITIES
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61B
DIAGNOSIS; SURGERY; IDENTIFICATION
A61B
DIAGNOSIS; SURGERY; IDENTIFICATION
A61B5/00
Measuring for diagnostic purposes; Identification of persons
A61B5/00
Measuring for diagnostic purposes; Identification of persons
A61B5/08
Measuring devices for evaluating the respiratory organs
A61B5/08
Measuring devices for evaluating the respiratory organs
A61B5/091
Measuring volume of inspired or expired gases, e.g. to determine lung capacity
A61B5/091
Measuring volume of inspired or expired gases, e.g. to determine lung capacity