Patent ID: 8556799

Claim:
A guide tube comprising: a tube; a ciliary portion including many cilia inclined in a longitudinal direction of the tube, provided in an outer peripheral portion of the tube; and a vibration portion provided on the tube for vibrating the ciliary portion so as to move the tube in the longitudinal direction, wherein the ciliary portion is fixed to the tube in the vibration portion, wherein the ciliary portion is fixed to the tube by a fixing member, wherein the ciliary portion is constituted by winding a ciliary tape having cilia on one surface around the tube, comprising a plurality of the vibration portions, wherein part of the plurality of the vibration portions can be selectively driven, wherein the vibration portion has a vibration motor, and a case housing the vibration motor and having a shape in which an inner peripheral portion is in close contact with the tube, and a step reducing portion for reducing a step in a longitudinal direction between the case and a surface of the tube.