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They may felt as prominences about half an inch from the median line. These prominences being fixed with the index finger the left hand, professional essay writers for hire the head a small sound carefully guided the spot the hand now carried the side opposite the one the ureter that being sounded, and against the arcus pubis, and a gentle pressure the sound is inserted in the ureter.

With the finger tip the entrance the sound to guided.

With instruments sufficient length the pelvis the kidney may attained. The sound must first carried some three inches from within outwards and when the bony margin the true pelvis reached, the handle must depressed and carried towards the thigh the same side.

Thus the anterior portion the sound held parallel the spinal column, and its head directed somewhat towards the article writers anterior abdominal wall, and easily reaches the pelvis the kidney. Simon has provided two instruments, a urethral sound, and a urethral catheter, for this purpose. They are ten inches long, and inflexible, since a flexible metallic academic freelance writers instrument could not straighten out essay writing services reviews the curve which the ureter takes in its passage from the bladder the margin of With these instruments Simon accomplished the operation times in different women, introducing the sound times, and the catheter times and in no case did the slightest damage the operation.

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It true that had no further opportunity use catheterization of the ureter but believed possible this means ascertain the presence calculi in the ureters, and even in the pelves the kidneys.

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He also claimed an especial advantage in obtaining urine direct from the kidneys without its having passed through the bladder.

Stones found in the vesical end the ureters could cut out or extracted or if they were near the renal mouth the ureter, they might possibly crowded back into the pelvis the kidney. Strictures also might dilated and hydronephrosis occurring as commonly does, with a pervious ureter, might evacuated means the urethral catheter. These anticipations, however, were a little too sanguine.

The operation would certainly not always harmless.

The straightening the Lend above-mentioned, would necessitate a more or less extensive laceration the mucous mem brane, at least.

Nay, perforation the ureters might occur, especially when strictures the ureters, or changes position from tumors the uterus, vagina, ovaries, us government resume writing service pelvis, etc. were present. Even sudden movements the deeply narcotised patient, as of vomiting, might cause an accident serious a nature as render technical writing services very cautious in view the problematical advantages of the exploration. Luckily the diseases calling for catheterization Figs. Simon's Urethral Sound and Catheter. are rare. Indeed I must admit, that although I have tried in every case in which I have dilated the urethra, I have never, in spite the greatest patience, been able introduce a sound into a ureter. The attempt has been made in the past illumine the female urethra and bladder, and lay them open inspection. Griinfeld used a straight tube varying diameter with a funnel-shaped mouth, and provided with a reflecting glass at its inner end. He claimed able to recognize with this instrument the most delicate changes color the mucous membrane the bladder and urethra.