. Modern surgery, general and operative. Fig. 304.—Impacted fracture of the neck of Fig. 305.—Impacted fracture of the neck ofthe femur. the femur. hospital is large, over 27 per cent. (Astley P. C. Ashhurst, in Annals ofSurgery, August, 1907). Comminuted fracture is a condition in which a bone is broken into more thantwo pieces, the lines of fracture intercommunicating (Figs. 302 and 303). The bone may be broken into many small fragments, there may be muchsplintering, or the osseous matter may actually be ground up. Impacted fracture is one in which one fragment is driven into the other andso
. Modern surgery, general and operative. Fig. 304.—Impacted fracture of the neck of Fig. 305.—Impacted fracture of the neck ofthe femur. the femur. hospital is large, over 27 per cent. (Astley P. C. Ashhurst, in Annals ofSurgery, August, 1907). Comminuted fracture is a condition in which a bone is broken into more thantwo pieces, the lines of fracture intercommunicating (Figs. 302 and 303). The bone may be broken into many small fragments, there may be muchsplintering, or the osseous matter may actually be ground up. Impacted fracture is one in which one fragment is driven into the other andsolidly wedged (Figs. 304, 305, and 306). 590 Diseases and Injuries of the Bones and Joints Fracture with crushing or penetration is a fracture in which one fragment isdriven into the other, the encasing bone being so splintered that the impactingbone is not firmly held. Pathological, spontaneous, or secondary fracture is one occurring from a veryinsignificant force acting on a bone rendered brittle by disease. Ununited fracture is a
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