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JAMA. 1888;X(15):474-475. doi:10.1001/jama.1888.02400410030012.
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TRACHEOTOMY RESPIRATOR.  BY THOS. F. RUMBOLD, M.D., OF ST. LOUIS.On February 21, 1870, with the assistance of Dr. Wm. Neihaus, of this city, I performed tracheotomy on Mr. Wm. D., æt. 43 years. Immediately after he was placed in bed I had a large sponge, that was squeezed out of quite warm water, laid over the tracheal tube. This warmed and moistened the air as it entered the lungs, thus preventing the necessity of having the air in the room unduly heated and moistened, which is usually found beneficial in tracheotomy cases. While he was in the house he had the hot moist sponge on his neck all the time. In eight days he was strong enough to drive to his place of business, but was prevented by his inability to keep the sponge warm. As soon as he went outdoors and the sponge became cold the cold air


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