. The principles of surgery . the following manner:—The wound, andthe bleeding point in the wound, having been exposed, as already directed,the finger or thumb is placed accurately on the latter, so as temporarilyto arrest the escape of blood; while an assistant carefully bandages thewhole limb from below upwards, so as to afford a uniform degree ofsupport to the whole, and prevent untoward consequences from the con-centrated pressure which is about to be applied to the wound. (, p. 261.) The finger or thumb having been cautiously removed, asmall, firm, dossil of lint—not larger than the
. The principles of surgery . the following manner:—The wound, andthe bleeding point in the wound, having been exposed, as already directed,the finger or thumb is placed accurately on the latter, so as temporarilyto arrest the escape of blood; while an assistant carefully bandages thewhole limb from below upwards, so as to afford a uniform degree ofsupport to the whole, and prevent untoward consequences from the con-centrated pressure which is about to be applied to the wound. (, p. 261.) The finger or thumb having been cautiously removed, asmall, firm, dossil of lint—not larger than the fingers end—suppliesits place; laid in immediate contact with the arterial orifice. Overthis, another and another—each increased in size—are rapidly applied,till the wound has becomefilled with a graduated com-press ; of a conical form ; itsapex in contact with the arte-rial wound, the base project-ing a little beyond the levelof the surrounding integu-ment ; the whole fitting andfilling the wound in every Fig. Fig. 99. Plan of a graduated compress, a, the artery wounded; b, b, the graduatedcompress arranged, so that the apex of the cone is in immediate contact with the arterialorifice, while its mass occupies the general wound, and projects somewhat above the iu-tecruiiiental level. 342 HEMOSTATIC PRESSURE. part. This accurately-fitted compressing agent is then retained in itsplace, by continuation of the bandage upwards ; and the degree of pres-sure is regulated, by the tightness with which the roller is drawn. Thewhole surface of the wound is compressed somewhat; but the main pres-sure is concentrated directly on the bleeding point. If the dressing remain dry and unstained by blood from beneath, it isa sign that the application is effectual; and it is left undisturbed. If,on the contrary, blood soon appear, and trickle through, the wholemust instantly be undone, and re-applied more carefully. Blood, havingoozed through the dressing, must have previously colle
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