. Des conférences sur la clinique de sténose de l'urètre et de l'élargissement de la prostate. consolidation la cire était, bien sûr, un vrai casting de ce canal. Aucune autre méthode n'a sincebeen ont suggéré que transmet une telle estimation réelle des thecapacity de l'urètre tout au long de son cours. Vous observez que les contractions se produisent à trois positions-situées derrièrele os naviculaire fossa, à la jonction bulbo - membraneux, andat du col de la vessie ; et c'est là que la sténose de l'urètre 22 difficulté est parfois dû au fait d'introduire une instru-ment par l'urètre normal. Cette difficulté, c'est av

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. Clinical lectures on stricture of the urethra and enlargement of the prostate. solidation the wax was, ofcourse, a true cast of the canal. No other method has sincebeen suggested that conveys such a true estimate of thecapacity of the urethra throughout its entire course. Youwill observe that contractions occur at three positions—behindthe navicular fossa, at the bulbo-membranous junction, andat the neck of the bladder; and it is at these points that 22 STRICTURE OF THE URETHRA difficulty is sometimes experienced in introducing an instru-ment through the normal urethra. This difficulty is avoidedby keeping the point of the instrument along the floor at thefirst-named position and along the roof at the other two. For exploration of the urethra these olivary gum-elasticbougies (Fig. 2) are undoubtedly the best. They are tippedwith olive-shaped bulbs, the stems being many sizes smallerin diameter. Metal instruments of the same pattern, eitherrigid or soft, are sometimes employed for the same purpose.I prefer the soft, flexible, gum-elastic ones, as less liable to. Fig. 1 (Half-size). cause pain or do injury, and more calculated to adapt them-selves to the natural curves of the urethra. In passing instruments of any kind through the urethra, the horizontal position is the best. The muscles are morethoroughly relaxed than in the standing posture, and the WEISS Fig. 2. risk of a fall from the patient suddenly fainting is thusavoided. If you take a largish instrument—say, 21 or 22 Frenchscale ( = 12 English)—oiled, and of course previously rendered STRICTURE OF THE URETHRA 23 aseptic, and introduce it slowly through the normal urethra, you will find that it glides along easily till the membranousportion is reached, the patient being conscious only of a slightsensation of heat or scalding, which is natural, and due to thepeculiar sensitiveness of the mucous membrane. At this situ-ation you will be aware of some resistance, and your patientof distinct tenderness, owing

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