The surgical diseases of the genito-urinary organs including syphilis . pon sections of frozen subjects, as well as by injecting the urethra withnumerous substances, afterward carefully cutting out the casts. I found the averagecurve to be identical with the one given above.—Van Buren. f An instrument destined for habitual use by the patient is sometimes made half aninch short in the curve, on account of the greater ease of introduction of such an instru-ment through the pendulous 34 DISEASES OF THE URETHRA. jected axis of the shaft obtuse{I j h), and falling within theright angle. F
The surgical diseases of the genito-urinary organs including syphilis . pon sections of frozen subjects, as well as by injecting the urethra withnumerous substances, afterward carefully cutting out the casts. I found the averagecurve to be identical with the one given above.—Van Buren. f An instrument destined for habitual use by the patient is sometimes made half aninch short in the curve, on account of the greater ease of introduction of such an instru-ment through the pendulous 34 DISEASES OF THE URETHRA. jected axis of the shaft obtuse{I j h), and falling within theright angle. Fig. 13. a and h representfaulty curves—still occasionallyencountered on 14 shows the correct curve. It is better to prolong thecurve around the circle, andeven slightly decrease that ofthe terminal quarter of an inch,as instruments so made are lessliable to be defective, and thepoint is, for all practical pur-poses, still at right angles to theshaft, and one and three-quarterinch from it. A knowledge ofthis relative position and direc- >/Z ITd. Fio. 12.—Instruments as ordinarily made, with faulty curve, (9a, 0(/fB6niqn6). Correctly-curvedconical instrument, Ob. Length of natural curve of urethra, /0 A. Length of chord of curveof sound, h 0,2xg inches. tion of the point is of great importance in difficult catheterism. Amoderately short curve is as good as a long one, provided it is accu-
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsyphilis, bookyear188
