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AIGUILLE DE BIOPSIE
专利权人:
Olympus Corporation
发明人:
申请号:
EP16807304.7
公开号:
EP3308716A4
申请日:
2016.05.27
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
In a biopsy needle (100) according to the present invention, a moving mechanism is configured to cause each of an outer needle (110) and an inner needle (120) to independently slide in a longitudinal direction, and configured such that a maximum distance by which an outer needle (111) is slidable in a distal end direction is set to be longer than a maximum distance by which the inner needle (120) is slidable in the distal end direction such that, by movement of the moving mechanism, the outer needle (110) and the inner needle (120) switch between a first state, in which a second needle tip (121) of the inner needle is positioned closer to a distal end than a first needle tip (111) of the outer needle, and a second state, in which a position of the first needle tip (111) in the longitudinal direction is located closer to the distal end than a proximal end of an inclined surface (122) of the inner needle and a distance (D 2 ) between the first needle tip and the second needle tip is shorter than a distance (D 1 ) between the first needle tip and the second needle tip in the first state.
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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