OPERATION UNIT FOR MEDICAL TREATMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To arbitrarily adjust an amount of movement of operation means for driving a treatment tool.;SOLUTION: A medical treatment device includes a long cylindrical flexible sheath 2, an operation wire 7 that penetrates the flexible sheath 2, a treatment tool 4 including a pair of scissor pieces 4A and 4B attached to a tip side of the operation wire 7, and an operation part 5 for controlling the opening and closing of the scissor pieces 4A and 4B by pulling the operation wire 7 to the base end side and pushing it out to the tip side. The operation part 5 includes an operation part body 5a gripped by an operator, a slider 5b connected to the base end side of the operation wire 7 that can be relatively moved with respect to the operation part body 5a, and a stopper 20 for restricting the amount of movement of the slider 5b so as to restrict the opening and the closing of the scissor pieces 4A and 4B.;SELECTED DRAWING: Figure 3B;COPYRIGHT: (C)2018,JPO&INPIT