A medical system includes a movable portion configured to allow an angle to be changed within a predetermined angular range, an actuator configured to drive the movable portion so as to change the angle of the movable portion when a wire is pulled, a control unit configured to perform drive control of the actuator, a slack detection unit configured to detect a driving condition as to whether or not the wire is slack, a slack adjustment unit configured to adjust slack of the wire based on a detection result produced by the slack detection unit and a slack adjustment command input unit used to input a command to adjust the slack of the wire, wherein the slack adjustment unit adjusts the slack of the wire to a predetermined state of adjustment in response to the command to adjust the slack of the wire.
