. Diseases of the rectum and anus: designed for students and practitioners of medicine. s and obstructs the view. Tuttle has also modified the Kelly tube so that the ob-turator gives to its end a Mercier curve, which is supposed tolessen the difficulty in rounding the sacral promontory and EXAMINATION 47 entering the sigmoid. The Martin proctoscope (Fig. 25) ismade in two sizes (examining and operating) and of differentlengths. Proctoscopes and colon-tubes should contain an should never be used in their introduction, otherwisethere is danger of rupturing the bowel. The author h
. Diseases of the rectum and anus: designed for students and practitioners of medicine. s and obstructs the view. Tuttle has also modified the Kelly tube so that the ob-turator gives to its end a Mercier curve, which is supposed tolessen the difficulty in rounding the sacral promontory and EXAMINATION 47 entering the sigmoid. The Martin proctoscope (Fig. 25) ismade in two sizes (examining and operating) and of differentlengths. Proctoscopes and colon-tubes should contain an should never be used in their introduction, otherwisethere is danger of rupturing the bowel. The author has hadone such accident, and others have been equally rupture usually occurs in the sigmoid flexure, between itstwo fixed points. The proctoscope and the knee-chest postureare essential when the rectum and sigmoid are to be inflatedfor examination and operation without the aid of a hand-bulb. Probes.—Probes of various sizes are necessary in examin-ing for fistulas and necrosed bone, to measure the depth ofulcers, and to ascertain whether their edges are Fig. 12.—Gants Artificial Light, Table, and Irrigating Apparatus. Bougies.—Graduated bougies are serviceable in determin-ing the size of rectal strictures and their distance from the should never be used blindly, but their introductionshould always be preceded by the insertion of the the constriction comes into view, the measurements canbe accurately made, the extent of the occlusion noted, and abougie of proper size selected. Force must always be avoidedin the introduction of a bougie. Aspirating Needle. — An aspirating needle is occasionallyuseful in revealing the exact nature of the fluid contained incysts and fluctuating tumors situated in and near the promiscuous use, however, is to be deprecated. 48 DISEASES OF THE RECTUM AND ANUS POSITION OF THE PATIENT The most satisfactory positions for examining the outerparts and lower rectum are the semipron
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanusdis, bookyear1910
