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September 21, 1912


JAMA. 1912;LIX(12):965. doi:10.1001/jama.1912.04270090209028

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Hill has written a monograph on gastroscopy and esophagoscopy in which he recommends strongly the combination of direct and indirect or periscopic vision in gastric work. His latest apparatus consists of a Killian esophagogastroscope which he has modified so that it can be inflated, and a Heymann indirect periscopic tube, 9 mm. in diameter and 70 cm. in length, which is passed through the Killian tube. He advises in addition that the operator have at hand, as a matter of convenience, two outer tubes both 60 cm. in length, one being oval in section, with diameters of 13 and 15 mm. and the other a thicker one, circular in section, with a diameter of 16 mm. The new principles involved in the procedure are the direct esophagogastroscopy under inflation and the combination of direct and indirect vision methods by passing the indirect vision periscope through the esophagogastroscope. General information as

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