Vorrichtung zum Anwärmen und Anfeuchten von Gasen, insbesondere von Atemgasen bei künstlicher Beatmung.

摘要

The invention relates to an apparatus for heating and humidifying gases, especially respiratory gases used in artificial respiration. This apparatus consists of two heat/humidity exchangers (4, 25) with, arranged between them, an active heating and humidifying arrangement in a housing. The first heat/humidity exchanger (4) is used for preliminary heating and preliminary humidifying of the cold, dry inhalation gases. In an active heating/humidifying arrangement (17-22) downstream, and in the second heat/humidity exchanger (25) additionally heated and humidified by the latter, the optimal physiological conditioning of the respiratory gases finally takes place (36-37 DEG Celsius, 100% relative humidity). In the expiratory phase, 70-80% of the humidity and heat is recovered again from this optimally moist/warm respiratory gas with the aid of the two in-built heat/humidity exchangers (4, 25). ……