File:Clinical lectures on the surgical diseases of the urinary organs (1908) (14594290007).jpg

Identifier: clinicallectures1908frey (find matches)
Title: Clinical lectures on the surgical diseases of the urinary organs
Year: 1908 (1900s)
Authors: Freyer, P. J. (Peter Johnston), Sir, 1851-1921
Subjects: Genitourinary organs Urogenital System Urogenital System Urethra
Publisher: New York : William Wood & Co.
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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Text Appearing Before Image:
atures of the urethra, but have purposely refrained till nowfrom referring to its calibre. Fig. 1 is a rough sketch showing the normal calibre of theurethra in the adult male. It is a tracing from the originalplate in Sir Everard Homes work, published about a centuryago. He injected melted wax into the urethra from thebladder in the cadaver, and on consolidation 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—be-hind the navicular fossa, at the bulbo-membranous junction,and at the neck of the bladder; and it is at these points that M 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.
Text Appearing After Image:
Fig. i (Half-sizj i. 1 sploration of the urethra these olivary gum-elastic (Fi .2) aie undoubtedly the best. Tiny are tipped with olive-shaped bulbs, the stems being many sizes smaller in diameter. Metal instruments of the same pattern, either >r soft, are sometimes employed for the same purpose. :• r the soft, flexible, gum-elastic ones, as less liable to pain or do injury, and more calculated to adapt thein-Selves to the natural curves of the urethra. In 1 instruments of any kind through the urethra, the horizontal position is the best. The muscles are more Fig. 2. laxed than m the standing posture, and the1 .1 tall from the patient suddenly hinting is thus Id. If \ 1 1 h in n uineiii ay, 21 or i± French ; • Ei ;1 b lubi icated, and of course pi< \i<»u lv STRICTURE OF THE URETHRA 15 rendered aseptic, and introduce it slowly through the normalurethra, you will find that it glides along easily till themembranous portion is reached, the patient being consciousonly of a s

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