专利名称：INSERTION DEVICE发明人：OKAMOTO, Yasuhiro申请号：EP16859424申请日：20160912公开号：EP3369358A4公开日：20190626
摘要：An endoscope 2 includes a flexible tube section 4 including coiled tubes 4a, 4b,4c, a motor 72 disposed on a proximal side of the flexible tube section 4, a driving forcetransmission unit 53 disposed on a distal side of the flexible tube section 4, and a driveshaft 79 provided inside the flexible tube section 4 along a long axis, the drive shaft beingcaused to perform rotation around the long axis by a driving force of the motor 72 andto transmit the rotation of the motor 72 to the driving force transmission unit 53, wheretorsional resistance of the flexible tube section 4 around the long axis is set higher thantorsional resistance between a relay gear 75 of the motor 72 and a drive gear 55 of thedriving force transmission unit 53 through the drive shaft 79.
申请人：Olympus Corporation
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