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Patent Searching and Data


Title:
TREATING TOOL FOR ENDOSCOPE
Document Type and Number:
Japanese Patent JPH10118075
Kind Code:
A
Abstract:

To accurately perform treatment to a diseased part while blood is washed away and removed by suction by providing belt-like parts expanding outside by receiving compression force in the axial direction between a plurality of cut lines in the axial direction in the neighborhood of the apex of a flexible tube and connecting the inner cavity of the tube by communication with an external device.

Parts between cut lines 15 are formed into belt-like parts 16 by cutting dividedly the apex part of a flexible tube 11 with cut lines 15 and the belt-like parts 16 are expanded outside by compressing them in the axial direction and when an extending force is applied in the axial direction, the belt-like parts 16 are returned to a straight condition. A fiber cable 13 wherein an optical fiber is covered with a protective tube is inserted into the flexible tube 11 over the whole length and the apex of the fiber cable 13 is fixed on a connecting fixture 12 at the apex of the flexible tube 11 and gaps between the flexible tube 11 and the fiber cable 13 are used as a liq. passage. In addition, a connecting hole 31 is projected on the side wall face of the outer cylinder 21 of the operating part 20, thereby communicating with the inside of the outer cylinder 21.


Inventors:
OUCHI TERUO
Application Number:
JP28042796A
Publication Date:
May 12, 1998
Filing Date:
October 23, 1996
Export Citation:
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Assignee:
ASAHI OPTICAL CO LTD
International Classes:
A61B18/20; A61B17/00; A61B18/00; A61B18/04; (IPC1-7): A61B17/00; A61B17/36; A61B17/38
Attorney, Agent or Firm:
Kazuhiko Mitsui