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AIGUILLE À BIOPSIE ULTRASONORE
专利权人:
Olympus Corporation
发明人:
申请号:
EP15829756.4
公开号:
EP3178404A4
申请日:
2015.05.22
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
An ultrasonic biopsy needle including: a sheath inserted through a channel of an ultrasonic endoscope; a needle tube which is inserted through the sheath and capable of advancing and retracting in the sheath; and an operation portion which is connected to a proximal end of the sheath and is provided to advance and retract the needle tube. The sheath includes a meandering suppressing portion that is positioned more proximal than a proximal end of a bending portion of the ultrasonic endoscope when a distal end of the sheath is positioned in a visual field of an optical image-capturing mechanism of the ultrasonic endoscope. The meandering suppressing portion is formed of a metal coil, the ratio of the inner diameter of the channel to the outer diameter of the coil is in a range from 1.0:0.66 to 1.0:0.84, and the initial tension of the coil is equal to or greater than 5.0 [N].
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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