PROBLEM TO BE SOLVED: To provide a bender device capable of easily bending even a hard connecting rod 4, in an implant formed of pediculus arcus vertebrae screws 3 for correcting the spine and the connecting rod 4.SOLUTION: A bender connecting mechanism includes: a pair of benders 5 and 6 that bend a connecting rod 4 for connecting pediculus arcus vertebrae screws 3 buried in the arcus vertebrae 2 and a connecting tool 7 for bridging and connecting both the benders. Connecting pins 12 and 13 are inserted into shaft holes 11 formed in the respective benders 5 and 6, the connecting pins 12 and 13 are connected by a connecting member 14, and the pair of benders 5 and 6 is rotationally turned around the connecting pins 12 and 13 to bend the connecting rod 4 into a desired curve.
