B. B. Vincent Lyon, A.B., M.D.
JAMA. 1920;74(4):246. doi:10.1001/jama.1920.26210040001009.
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It is with reluctance that I am calling attention to a new tip for duodenal tubes because there are many excellent ones already on the market; but I feel sure that it will interest those members of the profession who are doing gastroduodenal work because it possesses certain definite advantages over any other type with which I am familiar. Perhaps I might better say that it does away with certain disadvantages common to nearly all others.

All duodenal tubes are swallowed rather easily by most patients, but many patients encounter temporary difficulty when the tub is withdrawn from the duodenal zone to the stomach, and more especially difficulty when it passes the glottis on its upward journey, at which time cooperative swallowing control is required on the part of the patient. This applies particularly to all tips of the olive or ball type on account of the shoulder or collar


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