Diseases of the Kidneys, Ureters and Bladder; With Special Reference to the Diseases in Women Volume 1

Diseases of the Kidneys, Ureters and Bladder; With Special Reference to the Diseases in Women Volume 1

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1914 edition. Excerpt: ...contains a lens which magnifies the image jj obtained through the system of lenses. The site of /jfr j the objective in the cystoscope, in this case a prism, is ' Jm?) shown by the little knob on the rim of the ocular. Bv Wt f&JF 1 /y_Ji observing this the operator knows just what posi tion the cystoscope is in after its introduction into the bladder. On this ocular end is also the connection between the electric wiring of the cystoscope and of the cable which conducts the electricity from its source to the instrument. The two wires end in two metal rings, which are separated and isolated by hard rubber. On the metal ending of the cable is a little sliding piece of metal which allows the making and breaking of the current. The shaft of the cystoscope is about 21 French in diameter and resembles the ordinary metal catheter. This shaft contains the electric wiring, three planoconvex lenses, and a prism placed as shown. The electric wiring ends in a small platinum plate. The beak is a blunt, short projection from the shaft at an angle of about 45 degrees. It has a smooth, rounded end and can be screwed directly on the shaft. It carries the little electric lamp of the ordinary Edison type. In the more recent cystoscopes the Edison type of lamp is replaced by the cold lamp. With the lamp in place there is a direct communication between the source of electricity and the lamp. As already stated, the usual caliber of the cystoscope is 21 French; tin? has been reduced to much smaller size for examining Fig. 150.--The First children, and a larger and shorter instrument can be Model Of The Nitze.. Cystoscope. "s('c1 ln examining women. Optical Principles of the Cystoscope.--The Lenses.--The optical system of the Nitze cystoscope, which can be taken...show more

Product details

  • Paperback | 196 pages
  • 189 x 246 x 11mm | 358g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236655575
  • 9781236655578