| 摘要 |
PROBLEM TO BE SOLVED: To prevent deterioration in image quality due to shifting operations of an incident end of an image guide by fixing the end of an insertion part to the inner wall of a tube into which the insertion part is inserted. SOLUTION: A balloon 18 is mounted on the border between the insertion part 9 and the end 16 of an endoscope 5. The balloon 18 is connected with a rotary pump 82 of a pump device 8 through a water supply and drain pipe 29 or the like. When a shift shooting mode is selected, the rotary pump 82 supplies the balloon 18 with water for blowing it up. The blown-up balloon 18 adheres tightly to the tube wall of a capillary and the end 16 is fixed to the tube wall. When a normal shooting mode is selected, water is discharged from the balloon 18 and the balloon 18 contracts. Fixing of the end 16 is released. COPYRIGHT: (C)2011,JPO&INPIT |
