That it is possible to introduce a straight tube from the mouth into the stomach is well known, and numerous workers have sought to utilize this fact to secure a visual examination of the interior of the stomach. Ingenious instruments have been devised for this purpose, notably the gastroscope of Eisner and its modification by Schindler.1 While not all the problems have been solved, endoscopic examination of the stomach gives information of great value and conceivably may come to occupy the same position in gastro-enterology that cystoscopy holds in urology.
In the hands of such a one as Schindler, who is doing gastroscopies daily, the introduction of his instrument is expeditiously performed without serious inconvenience to the patient. However, I noted in Schindler's clinic that the passage through the hiatus esophageus of the diaphragm, where the axis of the esophagus turns sharply to the left, was usually accomplished against
Helsley GF. GASTROSCOPY: A NEW METHOD FOR INTRODUCTION OF THE GASTROSCOPE. JAMA. 1924;82(3):207–208. doi:10.1001/jama.1924.26520290002011c
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