COVERED-TYPE ENDOSCOPE, COVER-ADAPTED ENDOSCOPE AND ENDOSCOPE-COVER

摘要

A covered-type endoscope includes an endoscope-cover and a cover-adapted endoscope to be inserted into the endoscope-cover. The endoscope-cover includes a tube and a cover-bending portion with a plurality of longitudinally joined cover-joint pieces. The cover-adapted endoscope includes a bending portion with a plurality of longitudinally joined joint pieces. The bending portion includes a guide portion which guides the tube in the longitudinal direction of the bending portion and cooperates with the cover-bending portion of the endoscope-cover to provide a tube placement chamber between the guide portion and the cover-bending portion of the endoscope-cover so that a conduit for the tube is maintained. The tube is flexible to bend in accordance with the bending of the cover-bending portion and the bending portion.