| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce a load on an insertion section even when the insertion section of a treatment tool is pressed in the treatment tool for an endoscope which is inserted and used in a channel of the endoscope. <P>SOLUTION: Two tubes 8 having lumens for sending a liquid are disposed in parallel in the insertion section 3 of the treatment tool 1. Also, a stylet 9 which is pressed by a pair of rollers disposed at the endoscope side is disposed parallel to the individual tubes 8. An outer diameter of the stylet 9 is larger than outer diameters of the tubes 8 and outer peripheral surfaces of the pair of the rollers touch the stylet 9 but not the tubes 8. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
