The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . ion of the elbow occasionally leadsto more serious results. In one case recorded byWright,^ a strumous boy, aged twelve, had a frac-ture detaching the capitellum of the humerus, whichgave rise to pulpy degeneration, for which excisionof the elbow was performed. Perhaps it may be regarded as strange that thevessels so seldom suffer in these fractures, but infact they are not only separated from the bone by athick layer of soft parts, but are by their flexurein a position to yield readily, a
The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . ion of the elbow occasionally leadsto more serious results. In one case recorded byWright,^ a strumous boy, aged twelve, had a frac-ture detaching the capitellum of the humerus, whichgave rise to pulpy degeneration, for which excisionof the elbow was performed. Perhaps it may be regarded as strange that thevessels so seldom suffer in these fractures, but infact they are not only separated from the bone by athick layer of soft parts, but are by their flexurein a position to yield readily, and thus to escapetearing. When the fracture is a compound one, „ . ,, _, ,^ , >^, .!• iTxi/ Fracture of lower end of humerus. however, the course ot thmgs may be different. Fig. 611 represents a fracture of the humerus in a boy, aged about twelve, who fell from a low fence; the upper fragment was forced out through a 1 Am. Journal of the Med. Sciences, Jan. 1841; from Lancette Fran(;aise, Mai, 1840. * liport, etc., p. Ill ; Case 48. 8 (jruys Hospital Reports, 3d ser., vol. xxiv., 140 INJURIES OF BONES. womul in front of tlio arm, and the artery was torn completely across, render-insx junputation m-cossary. SDUietinics, but more rarely tlian might perhaps be supposed, the circulationis interfered with by ill-ap}ilied api)aratus, as in a case recorded by Wright,^in which by the pressure of an anterior angular si)lint, in a case of separationof the lower epii>hysis of the humerus, the artery was occluded for twenty-two days ; no }»ernianent harm, however, resulted. Occasionally, serious damage is done to nerves in connection with thefractures in question. The close relation of the ulnar nerve to the bonewould seem to involve it in constant danger; yet the usual cliaracter of thedisplacement, the lower end of the upper fragment going forward, is ob-viously such as to diminish the risk. Callender^ gives a number f)f casesin which this or the median nerve suffered,
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