. A practical treatise on fractures and dislocations. e one case thatwas reduced, eight weeks. Brocas specimen and two of Sprengels cases show that the joint,even if reduction is not made, may have a free range of motion andthe limb may be useful; in his other cases Sprengels attempts toincrease the range of motion failed more or less completely. B. Incomplete Outward Dislocations. This form, although apparently somewhat less frequent than the pre-ceding, has been more fully studied. Its causes and mechanism havebeen described above. Pathology. Fig. 305 represents a specimen from an old case p
. A practical treatise on fractures and dislocations. e one case thatwas reduced, eight weeks. Brocas specimen and two of Sprengels cases show that the joint,even if reduction is not made, may have a free range of motion andthe limb may be useful; in his other cases Sprengels attempts toincrease the range of motion failed more or less completely. B. Incomplete Outward Dislocations. This form, although apparently somewhat less frequent than the pre-ceding, has been more fully studied. Its causes and mechanism havebeen described above. Pathology. Fig. 305 represents a specimen from an old case pre-sented to the Societe Anatomique by Poumet: it is described by Mal-gaigne, Denuce, and Pingaud as one of the only two cases known, 634 DISLOCATIONS. the other, Pinels, being very similar. The list has since been increasedby the five specimens obtained by Hueter by resection, by Hutch-insons autopsy, and by Sprengels case in which the dislocation be-came compound. A case which I reduced byarthrotomy threebelongs, I think,coronoid process Fig. Old incomplete outward dis-location. (Poumet.) weeks after the accidentin this class, although thelay behind the externalcondyle; the epitrochlea lay in the groove ofthe trochlea, and a mass of new bone hadformed on the back of the external last three are the only examples of thecondition in the recent state of which I haveknowledge, and the information furnished bySprengels relates only to the position of thebones. Sprengels1 patient was a girl seven yearsold; the injury was caused by a fall, was sup-posed to be a fracture, and was treated byimmobilization in a gypsum Fiveweeks later she came under Sprengels obser-vation. On removal of the dressing a sloughan inch in diameter was found to have formed,and through the opening created by it the in-ternal condyle presented. The head of theradius could be distinctly felt below the external condyle, the ulnawas displaced outward so that the outer half of the sigmo
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