摘要 |
PROBLEM TO BE SOLVED: To provide a curving device for endoscope by which a crook part is returned to a straight state without developing the bending tendency of a stay wire even when the crook part is repeatedly crooked by a small curvature radius and excellent guiding and observation can be performed. SOLUTION: The stay wire 26 arranged at an almost 180 deg. symmetrical position to an operation wire 24 is formed of a super-elastic alloy wire.
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