Device for callus elongating / regenerating

Device for callus elongating / regenerating comprising: a plate or rail, which is rod-shaped or arc-shaped is provided so that it deforms in three-dimensional direction in response to a pramutilierten bone shape so as to bridge a mutilated bone portion; a support having a sliding portion which is provided so that it moves while surrounding the rail, wherein the support holds a piece of bone, which is located on the mutilated bone portion which is formed between both ends of a bone cut end, in which the piece of bone callus from is bone cut end osteoplastically extendiert and movably arranged in the longitudinal direction of the rail; and a wire which is connected to the support so that the support moves in the longitudinal direction of the rail so as to extendieren the callus osteoplastically.