| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a high-frequency treatment instrument for endoscope without fear of a rod electrode coming off from the distal end of an operating wire and capable of being easily manufactured at low cost. <P>SOLUTION: Operating wire 2 is formed of twisted wires formed by twisting a plurality of element wires 2a, 2b, one element wire 2a of the plurality of the element wires 2a, 2b forming the twisted wires is projected forward in long length from the other element wire 2b, and the projected portion is made rod electrode 3 in the high-frequency treatment instrument for the endoscope having the rod electrode 3 projecting and retracting from the distal end of the electrically insulated sheath 1 by moving the operating wire 2 forward and backward at the distal end of the electrically insulated operating wire 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
