This application involves prepare fractured bones with what so as to the device and method of reparation. Preparing bone may include fracture reduction. Preparing bone may include so that fractures keep resetting. Preparing bone can include determining that into the position of the interior zone of bone. Device may include the structure outside bone, the bone section interaction of the structure and bone. Structure can participate in resetting. Structure can participate in keeping resetting. Structure can participate in determining position.本申請涉及用於製備骨折骨以便修復的裝置和方法。製備骨可以包括骨折部複位。製備骨可以包括使得骨折部保持複位。製備骨可以包括確定進入骨的內部區域的位置。裝置可以包括在骨外部的結構，該結構與骨的骨段相互作用。結構可以參與複位。結構可以參與保持複位。結構可以參與確定位置。
