The principles of surgery . RESSURE. sure has been revived, in a more scientific form, and with a better success :conducted rather as if itself were not the agent of cure, but only themeans whereby spontaneous cure may be originated and favored. Thepressure is made at a Hunterian site, as before; but it is neither constantnor severe. By means of a compressor, such as invented by Signoroni(Fig. 99, p. 312)—or by means of this other instrument, adapteoffioin acarpenters clamp, and first suggested by a carpenter, Hoey, who washimself the subject of aneurism, and cured by this means—a moderatedegr
The principles of surgery . RESSURE. sure has been revived, in a more scientific form, and with a better success :conducted rather as if itself were not the agent of cure, but only themeans whereby spontaneous cure may be originated and favored. Thepressure is made at a Hunterian site, as before; but it is neither constantnor severe. By means of a compressor, such as invented by Signoroni(Fig. 99, p. 312)—or by means of this other instrument, adapteoffioin acarpenters clamp, and first suggested by a carpenter, Hoey, who washimself the subject of aneurism, and cured by this means—a moderatedegree of pressure is applied to the vessel; at a point where its coatsmay be expected to be sound, and consequently not prone to ulceratefrom slight causes. This pressure is maintained so long as it can beconveniently borne by the patient; but no longer. So soon as uneasysensations become at all intense, with swelling and numbness of the limb, and throbbing in the part, pres-sure is either slackened or altogether Fig. Fig. 192. The clamp, as at one time used in Dublin : 6, the point of counter-pressure ; a, that whichcompresses the artery. Fig. 193. Br. Cartes instrument for compressing the femoral at its lower par.; a,the metallic girth over the thigh ; 6, the pad for counter-pressure on the back part of the limb; com-pressor ; a, the elastic arrangement. removed. Afterwards, the parts having recovered, it is reapplied; againit is removed; and thus, by occasional and modified use, the disastersformer y attendant on treatment by compression may be altogetheravoided. At the same time, circulation in and near the aneurism is de-cidedly moderated, so as to favor solidification. The tumor is not onlyarrested m its growth, but begins to diminish ; its pulsation is less, and itsdimensions contract; it feels harder and less compressible; ultimatelypulsation wholly disappears, and induration is complete ; absorption thenadvances, and the obliterative cure is obtained, with
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