A system of surgery . already described ; but where there is much swelling andpain relief will be obtained by employing dressings which partakeof the character of fomentations. The antiseptic material—whetherit be cyanide gauze or boracic lint, or other substance—is wrungout of warm lotions, and outside this a layer of mackintosh over-lapping it in all directions is applied, with a layer of wool think it is well in most cases to employ antiseptic material forthe purpose of these fomentations, or for the dressings, because,although bacteria have already entered, it is possible that th
A system of surgery . already described ; but where there is much swelling andpain relief will be obtained by employing dressings which partakeof the character of fomentations. The antiseptic material—whetherit be cyanide gauze or boracic lint, or other substance—is wrungout of warm lotions, and outside this a layer of mackintosh over-lapping it in all directions is applied, with a layer of wool think it is well in most cases to employ antiseptic material forthe purpose of these fomentations, or for the dressings, because,although bacteria have already entered, it is possible that the kindwhich has got in is not so virulent as others which might get in, andwhile by continuing the antiseptic dressings we do not influencethose which have already entered, we may possibly prevent theentrance of worse forms. It is of importance to remember, where the edges of the woundare not at the same level, that one side may be drawn in, or thatepithelium may spread down one side, and when this occurs the raw. Fig. 40.—Section through a small Sore which had remained un-healed for many months. It will be seen that epithelium hasspread in along one side of the sore. On dissecting away theinvested part and uniting the edges the sore healed at once. 224 WOUNDS AND CONTUSIONS. surface in contact with the epithelial-covered surface will not heal(Fig. 40). In such a case it is necessary to dissect away the in-verted edge, or the epithelial-covered surface, so as to have two rawsurfaces opposed to each other. (c) Where the edges of the skin eannot be broughttogether.—It is not always possible to bring the edges of theskin together after operation. For example, in many cases it isnecessary to remove such a large amount of skin that an openwound must be left, and in these circumstances the best methodof healing to aim at is healing by blood clot. After the operationhas been finished, and the wound closed as far as possible, theremainder should be allowed to fill with blood. I
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