External fixation is restoreed to bone

The utility model discloses an external fixation is restoreed to bone, including spicule, flexible cable and cable adjusting device, a flexible cable pot head is in the draw-in groove of spicule, on the online cable adjusting device of another pot head, cable adjusting device is used for adjusting the elasticity of flexible cable. The utility model discloses a spicule and cable adjusting device, the effectual apparatus weight that has reduced are connected to flexible cable, can carry out tensioning, simple structure to single spicule, fixing bolt's structure adopts pattern that hexagonal and screw thread combine not only can realize preventing changeing but also can locking, is in when relaxing the state when department's spring, and compression spring's holding power makes outside the hexagonal is located the draw-in groove, can rotate the screw rod tensioning, pushes down the screw rod when reaching suitable rate of tension after, and the commentaries on classics is prevented and screw up the nut that the completion is fixed after impressing the draw-in groove to the hexagonal, clamping screw is the structure that a hexagonal and screw combined together, not only can accomplish the prosthetic external fixation of bone in case change but also can tighten.