A method for visualizing the interior of a bodily passageway at a remote location, the method comprising the steps of: providing a visualization system for deployment in the bodily passageway, the visualization system comprising: an endoscope comprising a rotatable drive collar configured for rotation relative to the endoscope； a disposable drive tube comprising an elongated tube having a deformable helical thread disposed on an exterior surface of the elongated tube, the elongated tube being configured for coaxial disposition about the endoscope； and a mount for releasably securing the disposable drive tube to the rotatable drive collar of the endoscope.
