Conduit control rocker for surgical instrument, conduit driving device and surgical instrument

The invention belongs to the technical field of surgical instruments, and provides a catheter control rocker for a surgical instrument, a catheter driving device and the surgical instrument. A bending control key and a bending switching key are arranged on the inclined surface of one end of a rocker main body, and a feeding motion control key is arranged at the other end of the rocker main body; the feeding motion control key comprises a first connecting part connected with the rocker body and a second connecting part movably connected with the first connecting part; during operation, the bending adjusting action control mechanism can be operated through the thumb of one hand to realize four-direction bending adjusting actions, and meanwhile, when the palm of the same hand operates the rocker body, the first connecting part and the second connecting part rotate, so that the front-back feeding movement is controlled; the flexible control over the front-back feeding movement and the four-direction bending adjus