Observations (clinical and bacteriological) on the circumstances of operative interference with mucous membranes, with reference specially to the urethra / by James H. Nicoll, M.B, Assistant Surgeon, Western Infirmary.

  • Nicoll, James H.
Date:
[1898?]
Catalogue details

Licence: Public Domain Mark

Credit: Observations (clinical and bacteriological) on the circumstances of operative interference with mucous membranes, with reference specially to the urethra / by James H. Nicoll, M.B, Assistant Surgeon, Western Infirmary. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

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    kettles one failed to raise the column to within 2° of boiling point, and the other failed to get the mercury within 3° of boiling point. The results varied imperceptibly with catheters of different calibre, and with tests of varying duration, {h) Sufficient time must be allowed for the steam to act. On this point 1 have made the following tests: (1) Black CoucU, No. 8 ;—saturated with urine containing bacillus coli and diplococci in prostatic cystitis. The catheter was dried in the air for twelve hours. Its exterior was care- fully cleansed with warm water and soap, and then with car- bolic solution (1-20), care being taken to prevent anything entering the interior. It was then efficiently steamed for thirty minutes, split and embedded in slightly alkaline gela- tine. Result: No growth occurred. (2) Yellow Coucle, No. 10:—employed in the same case, and afterwards treated in exactly the same way, and finally effi- ciently steamed for two minutes, split and embedded in neutral gelatine. Resiilt: Sparse growth of bacillus coli in both tubes. (3) Bed Varnished Catheter, No. 10:—employed in the same case, and subsequently subjected to the same treatment, and finally efficiently steamed for twenty minutes, split and em- bedded in neutral gelatine. Result: No growth occurred. (4) Yelloiu Coude,Yo. 12:—employed in the same case, sub- jected to the same after-treatment, and finally steamed for twenty minutes, split and embedded in slightly acid gelatine. Result: A colony of diplococci formed in the tube, containing one-half of the catheter. From the position of the growth 1 could not avoid the conclusion that it originated from the external aspect of the catheter. The necessity for preserving the interiors of these catheters from the action of the soap and water and the carbolic solution rendered the process of sterilizing the exteriors somewhat unsatisfiictory. (5) Yellow Coudd, No. 11:—employed in the same case, sub- jected to the same after-treatment and steamed for one minute, split and embedded in neutral gelatine. Result: Both halves yielded a growth of bacillus coli, and in the case of one-half it seemed perfectly clear that it first originated from the external surface.