A medical manipulator is provided with: a drive unit provided with a motor； a removable portion that is removably attached to the drive unit and that is provided with a rotating body to be connected to a rotating shaft of the motor； an elongated insertion portion coupled to the removable portion； a distal-end movable part disposed at a distal end of the insertion portion； a wire connecting the rotating body and the distal-end movable part and transferring tension generated by power of the motor to the distal-end movable part to actuate the distal-end movable part； a pressing member that is formed of an elastic material and that presses a longitudinal intermediate position of the wire in the wire diameter direction； and a sensor that is attached to the pressing member and that detects an elastic deformation amount caused in the pressing member according to the tension of the wire.
