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Operation wire coupling portion for connecting treatment tool to endoscope, has connection groove formed with different minute width sections for coupling with coupling rods of various thickness
Operation wire coupling portion for connecting treatment tool to endoscope, has connection groove formed with different minute width sections for coupling with coupling rods of various thickness
The operation wire coupling portion has a connection groove (24) formed with different minute width sections (24b,24c). Coupling rods of different narrow diameter section (7b) thickness can be coupled to the connection groove. The narrow diameter section of the coupling rod connects to the base edge of an operation wire.
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