| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable even one operator to extremely readily perform two operations of opening forcep cups and pushing the forcep cups forward, which have to be performed simultaneously for collecting a biopsy tissue inside the parechymatous organ. <P>SOLUTION: This treatment tool includes: an outer sheath 10 inserted into a channel of an endoscope; a forcep sheath 11 arranged in the outer sheath; a plurality of forcep cups 13 which are attached to a distal end of the forcep sheath, which is formed with a sharp needle-shaped portion on a distal end and which is openable/closable as a whole; an operation wire 14 which is arranged movably in the forcep sheath along an axial direction to open/close the forcep cup; a first operation portion 31 which is attached movably along an axial direction of a proximal end of the outer sheath and is connected to a proximal end of the forcep sheath; and a second operation portion 32 which is attached movably to the first operation portion along an axial direction of the proximal end of the forcep sheath and is connected to a proximal end of the operation wire. <P>COPYRIGHT: (C)2008,JPO&INPIT |
