DISPOSITIVO CALCULADOR DE VOLUME E MOSTRADOR DE INCENTIVO PARA USO COM UM ESPIROMETRO

摘要

An electronic device for use in conjunction with a spirometer for measuring the time interval during which a minimum predetermined air flow is maintained through the spirometer and for calculating the minimum total volume of air flowing through the spirometer during that interval of time and for automatically providing other related information to the patient and therapist using the spirometer.