. Minor and operative surgery, including bandaging . l antiseptics are washed away with sterilized salt solu-tion. The surface of the ulcer is next curetted to removesoft granulations, and it is then irrigated and coveredwith protective, and a compress applied to control bleed-ing. Shavings of skin are then removed from a surface—which has been rendered aseptic—by means of a razor orsection knife; the use of MeBurneys hooks (Fig. 144)will facilitate the removal of the grafts. Each graft shouldbe as long and broad as possible, and, when cut, it shouldbe floated from the section knife upon the p
. Minor and operative surgery, including bandaging . l antiseptics are washed away with sterilized salt solu-tion. The surface of the ulcer is next curetted to removesoft granulations, and it is then irrigated and coveredwith protective, and a compress applied to control bleed-ing. Shavings of skin are then removed from a surface—which has been rendered aseptic—by means of a razor orsection knife; the use of MeBurneys hooks (Fig. 144)will facilitate the removal of the grafts. Each graft shouldbe as long and broad as possible, and, when cut, it shouldbe floated from the section knife upon the prepared surfaceof the ulcer by a stream of salt solution and gently pressedinto place. After a sufficient number of grafts have been BONE-GRAFTING. 167 applied, strips of protective are laid over the surface ofthe grafts, and over these is placed a compress moistenedwith salt solution and covered by protective, and a few-layers of sterilized gauze and cotton are next applied overthis, and the dressing is held in position by a bandage. Fig. McBurneys hook. The dressings need not be removed for a week or tendays, and a second dressing should be applied in the samemanner until the grafts have become thoroughly skin of the bellies or backs of frogs, or the hairlessskin of young animals may be used in place of humanskin. Krauses Method.—Skin-grafting is sometimes accom-plished by immediately applying an isolated piece of skinto a raw surface to fill a gap; the graft in such casesincludes the whole thickness of the skin, but has all ofthe cellular tissue removed from it, and should be cutone-third larger than the gap to be filled, to allow for theshrinking after its removal, and is secured in position bysutures. Bone-grafting.—This procedure is resorted to toreplace portions of bone which have been separated, tofill up cavities in bone, or to restore the continuity of thelong bones. The bone to be introduced should be ren-dered thoroughly aseptic, and shou
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