The principles of surgery . 314 PLUGGING — POSITION. vity or canal, whose parietes are not very extensile, the blood itself mayhe made, in part, the compressing agent. In profuse bleeding from theuterus, for example, we obstruct the vagina; in epistaxis, we plug thenares. The blood cannot escape; and, as it accumulates, it exerts prea- Fig. Example of arresting hemorrhage by plugging. A plug, a, about to be lodged firmly in the posteriornare-, by means of the ligature, b. This having been done, and a plug afterwards placed in the frontnares, the bleeding from that nostril is fairly comma
The principles of surgery . 314 PLUGGING — POSITION. vity or canal, whose parietes are not very extensile, the blood itself mayhe made, in part, the compressing agent. In profuse bleeding from theuterus, for example, we obstruct the vagina; in epistaxis, we plug thenares. The blood cannot escape; and, as it accumulates, it exerts prea- Fig. Example of arresting hemorrhage by plugging. A plug, a, about to be lodged firmly in the posteriornare-, by means of the ligature, b. This having been done, and a plug afterwards placed in the frontnares, the bleeding from that nostril is fairly commanded. sure on its source. This mode of applying hemostatic pressure is ordi-narily termed plugging; obviously most efficient when the compressingsubstance is placed in direct contact with the bleeding orifice, withoutany interposition of blood. A very decided form of plugging is sometimes, though rarely neces-sary. In amputation, or operation on bones, for example, profuse andtroublesome bleeding may take place from a large vessel imbedded in anosseous canal, and may refuse to be arrested by ordinary means. Pres-sure has been tried; ligature is inapplicable. The actual cautery isalso inexpedient; for contraction of bone will not follow its use, so as tomake the eschar impervious. Under such circumstances, if temporarydirect pressure do no
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