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To the Editor:—
"Cold steam" is an important adjunct to the treatment of croup, severe pneumonia, and several other conditions. Because commercially constructed steam tents are not always at hand, a number of substitutes are in common use. The following method is suggested because of its simplicity, inexpensiveness, and accessibility. The bottle and rubber bulb are removed from any ordinary atomizer that is capable of producing a sufficiently fine spray (see figure, A). By means of rubber tubing, the oxygen supply is joined to the inlet from which the bulb was removed. A water reservoir is connected to the fluid inlet tube of the atomizer head through a drip chamber. This permits the flow of water and that of oxygen to be regulated independently. The nozzle of the atomizer is then introduced through an opening in the tent.This apparatus ( see figure, B) has been found more stable and easier
Green HL. SIMPLE DEVICE FOR PROVIDING HUMIDIFIED OXYGEN. JAMA. 1956;162(1):63–64. doi:10.1001/jama.1956.02970180065022
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