A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . Backward dislocation of radius and ulna.(Gross.) Reduction of dislocation of radius andulna backward. (Hamilton.) Subsequently the Fig. 299. striction of motion for a week or so is then proper, function of the joint becomes practically perfect. The luxation forward is to be reduced by tractionand counter-traction, followed by hyper-flexion andsudden extension, accompanied by pressure uponthe lower end of the humerus. Hyper-flexi
A manual of modern surgery : an exposition of the accepted doctrines and approved operative procedures of the present time, for the use of students and practitioners . Backward dislocation of radius and ulna.(Gross.) Reduction of dislocation of radius andulna backward. (Hamilton.) Subsequently the Fig. 299. striction of motion for a week or so is then proper, function of the joint becomes practically perfect. The luxation forward is to be reduced by tractionand counter-traction, followed by hyper-flexion andsudden extension, accompanied by pressure uponthe lower end of the humerus. Hyper-flexion, fol-lowed by direct pressure backwards upon the up-per ends of the radius and ulna, may result in re-duction of the luxation. The lateral dislocationsare reduced by the same character of manipulationas the backward and the forward. Divergent Dislocations of the Radius and Ulna. These dislocations are exceedingly rare. Bothare dislocated but do not accompany each. Divergent dislocation ofthe elbow (dislocation ofthe ulna backward andof the radius forward). (TlLLMANNS.) bones other. The chief varieties are that in which theulna is thrown backward and the radius forward,and the transverse, in which the ulna is displaced to the inner side and the radius to the outer side of the condyles. These injuries are to be diagnosticated and treated on general principles. DISLOCATIONS OF THE CARPAL BONES. 539 Dislocations of the Radius. The head of the radius may be torn from its annular ligament andsocket and be displaced either forward, outward or backward. Theforward dislocation is the common one. The diagnosis is made by ob-serving that the radial head is absent from its normal position butpalpable in its new site, while the other bones hold their normal rela-tions to each other. The reduction is accomplished by traction andcounter-traction and direct pressure. Dislocations of the Ulna. Dislocation of the upper end of the ulna occurs only in the back-war
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