The Lancet London (Volume 3); A Journal of British and Foreign Medicine, Surgery, Obstetrics, Physiology, Chemistry, Pharmacology, Public Health and N

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1824. Excerpt: ... able, the following observations are chiefly intended.., ..., _., The ueaji of the humerus may be forced from the glenoid cavity of the scapula, and lodged in different situations: In nine out of ten cases, however, it rests in the hollow of the armpst, jhavintr previously ruptured the inferior portion of the capsular ligament. The tumour, formed by the head of the Rone, in the axilla, 'and the unnatural' hollow under the acromion process, are signs so decisive of the nature of the accident as not to be overlooked, 'ess or jgnorestore the...jn, the surgeon makes extension, and cot-(er-crlension, eitheri by the hands of stn.ng issistants, some of whom take hold of lie dislocated arm and pull steadily, int forcibIy, while otherresist, . by souring the body or shoulder, of by oivels, or sheets, straps, or pullies, as ie case may require. If the force be cli directed, and continued suffientlv long to fatigue the muscles, d thereby overcome their resistance, e head of the bone generally slips 0 its place, without much difficulty, t the slit or rupture in the capsule iains open for a considerable iime, in.many instances never closes, ler these circumstances, the pat is continually liable to a recure of the accident, and the sligh test 1 will sometimes be sufficient to ce it. It not unfrequently hapthat the surgeon finds it impossibv the most powerful extension ounter-extension to restore the jf the bone, even in the most rejses. This is owing generally, irw well understood, to the rent capsule being too small to ad' 5 head of the os humeri to pass it and enter the glenoid cavity, iitch difficulties exist, the surscoiitinues the extending and-extending forces, and taking: lie arm, uses it as a lever, and icates a rotatory motion to it, "'object of which is to ...