File:Clinical lectures on the surgical diseases of the urinary organs (1908) (14594118010).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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t-celled dry Leclanche*batter) I , the most convenient and trustworthy for travelling. The Cystoscope. I the inventive genius ol Professoi Nitze and Mr. J.I . the instrument-maki i oi Vienna, we owe the i w almost universa! 1) employed. That in use for I ; . with -me imp..it.mi modifi( .iti.ms i ntl\ d«. bent near nd ^t .in obt n«\\hat ;i bladder I he bent portion, i bi ak, con THE CYSTOSCOPE 65 cylindrical cap, which can be screwed on and off the shaft atthe elbow of the instrument, and is furnished with an ovalrock-crystal window (e) on the upper or concave aspect.Encased in this metal cap and situated opposite the windowis a miniature electric lamp connected with the end of theshaft, through which, inside the metal tube, run insulatedwires to the connecting screws (c, c). By the detachablenature of the beak the lamp, when defective, can be replacedby a new one in a few seconds. The arrangement as awhole forms a water-tight compartment for the lamp, which
Text Appearing After Image:
Fig. 34. illuminates the bladder through the window without comingin contact with the fluid in which it must necessarily burn,in order to protect the bladder walls from injury. In theshaft just above the elbow is inserted a glass prism (f), bywhich the rays of light from the bladder are refracted alonga telescope, inserted in the shaft and capable of being re-moved for the purpose of being cleaned or for use in anotherinstrument. The rim of the ocular end (b) through whichthe observer looks is covered by a thin plate of ebonite, toprevent shock in case of contact of the eyebrows with thecystoscope. A knob (b) on the edge of the ocular end indi- 5 66 Tin: CYSTOSCOPE cates the aspect of the bladder towards which the beak andprism arc directed from time to time. By means of ascrew (D) the circuit can be closed and opened. This screw.therwith the connecting screws, are carried on a rotatoryplate or swivel, so that with the finger and thumb oi onehand placed on the cylinder (a) the beak oi

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