The invention discloses a kind of endoscope apparatus and methods. Described device may include axis, and the axis extends between distal end and proximal end. The axis may include controllable bending section, lumen, and the controllable channel being movably set in the lumen. Described device may additionally include the shank at the proximal end of the axis. The shank may include controller, and the controller can be selectively engaged at least one controllable bending section and the controllable channel. The step of the method may include for operating described device.
