Cases illustrative of the treatment of obstructions in the urethra, &c. by the new instrument, the dilator : with further directions, to facilitate its general adoption; also, a case of the extraction of stone from the male bladder without cutting it, by the dilator, with an account of improvements of the method of dissolving stone by injection, and of the common operations of lithotomy / by James Arnott.

  • Arnott, James Moncrieff, 1794-1885.
Date:
1821
Catalogue details

Licence: Public Domain Mark

Credit: Cases illustrative of the treatment of obstructions in the urethra, &c. by the new instrument, the dilator : with further directions, to facilitate its general adoption; also, a case of the extraction of stone from the male bladder without cutting it, by the dilator, with an account of improvements of the method of dissolving stone by injection, and of the common operations of lithotomy / by James Arnott. Source: Wellcome Collection.

Provider: This material has been provided by King’s College London. The original may be consulted at King’s College London.

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    out a covering' of silk at all; but besides the want of strength, in such a tube, to bear any useful degree of pressure for hard strictures, it soon enlarges from the moisture, and is thus apt to distend the sound as well as the con- tracted parts of the canal. It is possible that some kinds of gut may be naturally, or by pre- paration, sufficiently strong to bear momen- tary useful pressure, yet this is not particularly desirable, for although such a tube might be simpler, it would not endure, by any means, so long as that of silk ; and a silk tube dilatori of moderate diameter, when collapsed, is as small as the smallest point that can safely be intro- duced through a stricture. The dimensions of the silk tube will vary of course according to the circumstances of the case in which it is to be employed* If several strictures are to be dilated at the same time, and if they are situated in the curved part of the urethra, the distensible tube must be long, and corresponding to this curve 5 but, on ordinary occasions, it should seldom exceed two inches in length, and then the curve is unnecessary. The regulation of the diameter of the dilator will be afterwards noticed. The gut which I have preferred for these pur- poses, is that of the cat. When prepared, by strip- ping off the outer fleshy coat and inner villous one, it is exceedingly thin, and yet sufficiently strong. That the gut may be completely supported by