. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 750 GENIT()-rKINARY ()RGANS. appendix and a soft gutta-percha sound is passed. The sabulous accumulation is thus dispersed. (3.) Urethrotomy.—Scrotal urethrotomy may be performed as in the ox. Ischial urethrotomy is impracticable in very fat animals, but when. Fig. 307.—Passing the catheter in the cow. the obstruction is about the neck of the bladder, and the animal's condition admits of it, this operation may be performed. The patient is fixed on its back, and a metallic or gutta-percha sound is passed into the urethra. The ti
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. 750 GENIT()-rKINARY ()RGANS. appendix and a soft gutta-percha sound is passed. The sabulous accumulation is thus dispersed. (3.) Urethrotomy.—Scrotal urethrotomy may be performed as in the ox. Ischial urethrotomy is impracticable in very fat animals, but when. Fig. 307.—Passing the catheter in the cow. the obstruction is about the neck of the bladder, and the animal's condition admits of it, this operation may be performed. The patient is fixed on its back, and a metallic or gutta-percha sound is passed into the urethra. The tissues are incised layer by layer in the direction of the sound. Once the urethra has been. (Ql Fio. 308.—Catheter for cows. opened the soft magma may be washed out of the bladder by a free injection of boiled water or similar aseptic liquid. PASSAGE OF THE CATHETER IN THE COW. It sometimes becomes necessary to examine the bladder of the cow. There is an obstacle, however, to the introduction of the sound into the urethral canal. The meatus urinarius is covered by a little valve which sowings from the lower wall and forms behind the real opening of the urethra a cul-de-sac, into which the point of the catheter is apt to pass. The instrument usually employed is of gutta-percha, glass, or, better still, of metal, as more easily sterilised (Fig. 308). It is held like a pen, and is directed along the floor of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moussu, Gustave, 1864-; Dollar, Jno. A. W. (John A. W. ), joint author. New York, W. R. Jenkins
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