A practical treatise on the diseases, injuries and malformations of the urinary bladder, the prostate gland, and the urethra / by Samuel D. Gross.

Date:
1876
Catalogue details

Licence: Public Domain Mark

Credit: A practical treatise on the diseases, injuries and malformations of the urinary bladder, the prostate gland, and the urethra / by Samuel D. Gross. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    those usually employed being the soft French elastic bougies, the silver catheter, and the nickel-plated steel bougie. Their sizes are graduated by a scale, of which by far the best, and, indeed, the only accurate one, is the French, represented in fig. 136. The numbers range from 1 to 30, and their increase in size is uniform, being one millimetre in circumference, ]N^o. 3 being equal to FTo. 1, and I^o. 30 equal to ^^o 18, of the English gauge. Fig. 136. Fig. Fig. Fig. Fig. 137. 138. 139.140. & & G iira-plastic Bougies. The soft bougies are especially service- able in untrained hands for strictures below ISTo. 15, of the French, or I^o. 9 of the English scale, and they are some- times indispensable to overcome tortuous strictures. Those with conical extremities, figs. 138,139, are useful in tight and narrow