Automatic valve for anesthesia inhalers (Machine-translation by Google Translate, not legally binding)

摘要

Automatic valve for anesthesia inhalers, of the double-pass type, which is characterized essentially by the fact that the hole corresponding to the external expiratory valve is prolonged by means of a tube of adequate section terminated in an inclined plane like a flute peak. the membrane that acts as an internal inspiratory valve, on which it presents its embouchure. (Machine-translation by Google Translate, not legally binding)