Operative surgery . tting it into a solution, bichloride of mercury 10 parts, water2,240 parts, glycerin 250 parts, and allowing it to stand for ten or twelvehours, then wringing out and sterilizing by heat. If gauze be boiled for afew moments and the water wrung out, it is then sufficiently aseptic forbrief use. If it be soaked in a strong antiseptic solution for a short time itbecomes antiseptic, and, like the former, can be employed pending theprompt use of the substantial variety. Textile fabrics and instruments canbe sterilized—made aseptic—by heat (Fig. 161) in any of the many appa-ratus
Operative surgery . tting it into a solution, bichloride of mercury 10 parts, water2,240 parts, glycerin 250 parts, and allowing it to stand for ten or twelvehours, then wringing out and sterilizing by heat. If gauze be boiled for afew moments and the water wrung out, it is then sufficiently aseptic forbrief use. If it be soaked in a strong antiseptic solution for a short time itbecomes antiseptic, and, like the former, can be employed pending theprompt use of the substantial variety. Textile fabrics and instruments canbe sterilized—made aseptic—by heat (Fig. 161) in any of the many appa-ratus devised for the purpose and offered for sale, as before stated (page 52),Those that combine moist heat and pressure influences are the most effective. If a specially prepared absorbent gauze, from which all oily matters havebeen extracted, is not available, ordinary bleached or unbleached muslin maybe boiled in a solution containing ten per cent of washing soda and two per THE TREATMENT OP OPERATION-WOUNDS. 113. Fig. 161.—A portable sterilizer for dress-ings and instruments. cent of caustic soda, after wliicli it is washed with water until it no longeraffects red litmus paper. It should not be forgotten that the bichloride of mercury is a somewhatunstable component, and it therefore becomes necessary to use the freshlyprepared combinations. If a small amount of common salt be added to thesolution its stability is better maintained. Ohjectio7is to Bichloride Gauze.—It is well to remember that bichloridegauze should not be applied directly to the skin, especially that of a child,as it is very liable to cause an ery-thematous irritation. The bichloride dressing is recom-mended as one possessing efficiencyand safety. The soluble compiessedtablets, containing a definite amountof bichloride of mercury, are veryconvenient for the minor require-ments of general practice. Theyshould not, however, become in anyway associated with the compressedtablets employed for internal medi-
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