. Surgery, its principles and practice . Fig. 159.—Indirect Catheterizing Arrange-ment, Universal Cystoscope.*. Fig. 160.—Bransfohd Lewis Double Male Ureter Cystoscope (Air Distention). The bladder must be well cleansed, freeing it of mucus, pus, or bloodthat would cloud the distending fluid and obscure the vision. Thispreliminary washing is done through a soft-rubber catheter, followingwhich the anesthetic is applied and clear fluid is injected and allowed toremain in the bladder, to serve as the distending medium. With theTilden Brown or the Bransford Lewis cystoscopes, the washing may bedon
. Surgery, its principles and practice . Fig. 159.—Indirect Catheterizing Arrange-ment, Universal Cystoscope.*. Fig. 160.—Bransfohd Lewis Double Male Ureter Cystoscope (Air Distention). The bladder must be well cleansed, freeing it of mucus, pus, or bloodthat would cloud the distending fluid and obscure the vision. Thispreliminary washing is done through a soft-rubber catheter, followingwhich the anesthetic is applied and clear fluid is injected and allowed toremain in the bladder, to serve as the distending medium. With theTilden Brown or the Bransford Lewis cystoscopes, the washing may bedone through the sheath of the instrument, which carries a large, fullstream back and forth; and no time need be lost in inserting the catheter-izing telescope through the sheath after the cleansing is effected. * Plans and specifications completed, but delayed in execution. 286 SURGERY OF THE BLADDER. A sufficient quantity of fluid must be introduced to afford workingspace for the cystoscope. Less than three ounces in the bladder is im-practicable; from five to ten ounces is serviceable; while some veryato
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