| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation part of a tissue collecting instrument for endoscope capable of collecting tissue specimens safely and quickly either for rigid endoscope or a soft endoscope. SOLUTION: The operation part can be fixed to or detached from the entrance 95 of a treatment instrument insertion channel 91 of an endoscope. The base end part 19 of a needle shaft 10 and the base end part 29 of an external pipe 20 can be integrally retracted and fixed in the axial direction, and one of the base end part 19 of the needle shaft 10 or the base end part 29 of the external pipe 20 can be moved and fixed relatively to the other in the axial direction. |
