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May 18, 1907, Vol XLVIII, No. 20 >
ARTICLE | May 18, 1907

A NEW URETHROSCOPE TO BE USED WITH THE AID OF WATER DISTENSION.

GEORGE WALKER, M.D.
JAMA. 1907;XLVIII(20):1676. doi:10.1001/jama.1907.25220460032004e.
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The accompanying cut represents a urethroscope based on the broad principles of the cystoscope, but so modified as to enable one to get a lateral view of the urethra and not that of the collapsed wall which we ordinarily see. At first I employed the ordinary tubes in which a window had been cut immediately opposite the prism, but this proving unsatisfactory, it occurred to me to distend the urethra with water and to discard the tube entirely. I then devised the metal cap to be fitted into the meatus. Water distension has proved to be very advantageous and superior in many ways to the tube.

DESCRIPTION OF INSTRUMENT.1  The urethroscope is No. 15 French; its full length is 20 cm. (8 in.); its length from the outer lens to the prism is 17.5 cm. (7 in.); it focuses at ⅛ inch, at which distance the amplification is 3 diameters.

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