Patent ID: 8777948

Claim:
Device for shortening an elongated bone, comprising a bone plate to be attached to the bone with a hole for a fastening element for fixing the bone plate on the bone and a slot offset longitudinally from the hole for a holding element that can be fastened in the bone, so that after the bone has been severed to form bone parts and a piece of bone has been removed in the region between the hole and the slot, remaining bone parts can be guided together by the displacement of the bone plate relative to the holding element, wherein a block with an opening for the holding element, which opening is elongated in plan view and lies above the slot, is arranged on the bone plate in the region of the slot, wherein a unit is arranged in the opening, against which unit the holding element rests in the displacement direction and relative to which a remaining part of the block can be displaced with the aid of a provided adjustment element.