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1 Prace Naukowe Politechniki Warszawskiej. Elektronika

1 2007

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Metoda pomiaru wilgotności w warunkach dynamicznych do oceny nawilżającej funkcji nosa

Paczesny D., Weremczuk J., Jachowicz R.

Prace Naukowe Politechniki Warszawskiej. Elektronika

2007

z. 161

91-96

The nasal mucosa with blood capillary network has a remarkable role in respiration process. The most important nose functions are heating and humidifying to optimal level of reaching throat and lungs air and partly absorption of humidity and temperature from expired air. Variations of humidifying and heating process can invoke some upper airways discorders. The paper presents dew point hygrometer which was specially designed for laryngological purposes. The dew point hygrometer can measure dynamic changes of humidity in upper airways. The device is fully automated, easy to operate and can communicate with external personal computer. Database application allows saving patient data with archive examination results and can display them easily. The main advantage of the device is a short response time on humidity changing. The number of readings (detection) can reach 6 readings per second (slightly depending on humidity level) which is much faster than in available on the market hygrometers with sorption sensors. The paper also presents some results obtained in group volunteers. The constructed dew point hygrometer can be used for air humidity measurement in upper airways during some diseases and for evaluation of an influence of some drugs and environmental conditions changing on air upper ways mucosa.