| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a treatment instrument for an endoscopes having improved liquid delivery performance. <P>SOLUTION: The treatment instrument for an endoscope includes: a sheath 31 that is inserted in a body cavity from the tip end side thereof; a cap member 32 which is disposed at the tip end of the sheath 31, and in which a liquid delivery opening 34 used for liquid delivery through the sheath 31 is formed toward the front; a rod-shaped electrode 41 that is supported by being inserted in the cap member 32; and a tip electrode 42 that extends radially from the leading edge of the rod-shaped electrode 41 in at least the front view. At least a part of the liquid delivery opening 34 is exposed from the tip electrode 42 as viewed from the front of the cap member 32. <P>COPYRIGHT: (C)2012,JPO&INPIT |
