. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. 46 SURGERY. upper fragment being tilted forward by the action of the psoas mag- nus and iliacus internus muscles. Treatment.—The principles of treatment are, as in. all fractures, coaptation and retention, but the means to effect it are various. The double inclined plane is a simple contrivance. The leg is secured to one plane, which furnishes the means of counter-extension, and the thigh rests on the other; the weig
. An analytical compendium of the various branches of medical science, for the use and examination of students. Anatomy; Physiology; Surgery; Obstetrics; Medicine; Materia Medica. 46 SURGERY. upper fragment being tilted forward by the action of the psoas mag- nus and iliacus internus muscles. Treatment.—The principles of treatment are, as in. all fractures, coaptation and retention, but the means to effect it are various. The double inclined plane is a simple contrivance. The leg is secured to one plane, which furnishes the means of counter-extension, and the thigh rests on the other; the weight of the body produces the extension. DessauWs Apparatus.—Consists of an outer splint, three or four inches wide, reaching from the crest of the ilium to four inches beyond the foot, each extremity having a hole in it; an inner splint reaching from the perineum to the sole of the foot, and an upper splint reach- ing to the knee. The counter-extension is made by a band in the perineum, which is secured to the upper end of the outer splint by means of the hole in it. The extension is made by a band or handkerchief applied to the ankle, and secured to the hole in the lower end of the outer splint. Liston uses only the outer splint, as represented in the figure. Fig. Dr. PhysicJc's modification consists in an elongation of the outer splint, nearly to the axilla ; by this means counter-extension is made in a line more nearly parallel with the axis of the body, and a block was placed upon the inner side of the lower end of the same splint, below the foot, for the purpose also of preventing the line of exten- sion being oblique, which might produce pain and deformity. Bags of bran are placed on each side of the limb, so as to secure uniform pressure from the splints, and the whole is secured by bandages. HagedorrCs Apparatus consists of one splint reaching from the hip to a foot-board. The counter-extension is made at the acetabulum of the sound side, and the extension by the
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