| 摘要 |
PROBLEM TO BE SOLVED: To provide an overtube for an endoscope capable of guiding the insertion of an endoscope with the shape of a subject retained. SOLUTION: This overtube for the endoscope is provided with: a flexible tube part 11 having a conduit for inserting the endoscope and passively deformed in response to the deformation of the inserted endoscope; a plurality of piece members 15 incorporated and arranged along the conduit of the flexible tube part axially overlapping mutually and coming into slide contact with one another; and abutment faces 32a of step parts 33 provided in respective sliding ends of the plurality of piece members 15 as the abutment parts provided in the sliding ends of the piece members 15 for retaining the positions of the piece members, when the plurality of piece members 15 come into slide contact with one another, slide a predetermined angle or more and abut on one another. COPYRIGHT: (C)2006,JPO&NCIPI
|
