Aseptic surgical technique, with especial reference to gynæcological operations . ize themmore than twice, but it is safer to adopt the routinemethod of sterilizing on three successive days. Whenthe ligatures have thus been rendered aseptic theywill remain so indefinitely if the tubes are kept wellplugged and in a dry place. Instead of the arrange-ment mentioned above, the different sizes of ligaturesmay be kept in separate tubes, and each tube will then 96 ASEPTIC SURGICAL TECHNIQUE. have to be opened only when the particular size ofsuture which it contains is required. If the plug iscarefull
Aseptic surgical technique, with especial reference to gynæcological operations . ize themmore than twice, but it is safer to adopt the routinemethod of sterilizing on three successive days. Whenthe ligatures have thus been rendered aseptic theywill remain so indefinitely if the tubes are kept wellplugged and in a dry place. Instead of the arrange-ment mentioned above, the different sizes of ligaturesmay be kept in separate tubes, and each tube will then 96 ASEPTIC SURGICAL TECHNIQUE. have to be opened only when the particular size ofsuture which it contains is required. If the plug iscarefully held by its outer surface, and is replaced whenone reel is removed, the others, if separated by smallplugs, will not be contaminated, provided that we arecareful either to allow the reels which we require toroll out of the tube into the solution prepared forthem, or else (and this is perhaps the safer way) to re-move them from the tube by means of a pair of steril-ized forceps. If, however, there should be the leastsuspicion that the ligatures on the remaining reels Fig. Sterilized catgut in sealed glass tubes. have become contaminated during this manipulation,the tube with its contents must again be placed in thesterilizer or autoclave for an hour. The tubes can bekept in glass jars like those employed by confectioners,each jar as well as each tube being provided with alabel bearing the date of sterilization. Plate XIII,Fig. 7. Some surgeons prefer to resterilize their silkligatures immediately before every operation. Thiscan easily be done by placing the tubes in the Arnoldsterilizer, or the reels may be taken from the tubes andboiled with the instruments in a one-per-cent. sodasolution. Silk ligatures will not, however, bear steam- PREPARATION OF SUTURES. 97 ing many times, as the procedure renders them kept on reels with the rods coming outthrough openings in the containing glass jars are veryobjectionable,, as such packages are certain to becomeco
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