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NEEDLE FOR COLLECTING LIVING CELL
专利权人:
Kitazato Corporation
发明人:
申请号:
EP13872423.2
公开号:
EP2949280B8
申请日:
2013.01.25
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
A living cell collection needle (1) is intended to collect oocytes or ova from a human ovary. The living cell collection needle (1) has a hollow needle (20) having a hollow body part (21), a hollow small-diameter front end part (22) extended from the hollow body part (21) toward a front end of the living cell collection needle (1), a tapered part (25) positioned between the hollow small-diameter front end part (22) and the hollow body part (21) and decreasing toward the front end of the living cell collection needle (1) in its outer and inner diameters, and a piercing cutting edge part (24) formed at a front end of the hollow small-diameter front end part (22) a hub (30) fixed to a rear end portion of the hollow body part (21) of the hollow needle (20) an inner tube (11) which is accommodated inside the hollow needle (20), whose front end is positioned inside the tapered part (25) or inside a front end portion of the hollow body part (21), and whose rear end portion penetrates through the hub (30) and is fixed to the hub (30) and a living cell sucking tube (41) connected to a rear end portion of the inner tube (11). A rear end of the hollow needle (20) is positioned inside the hub (30). The living cell collection needle (1) has a side tube (53) whose front end portion is positioned inside the hub (30) and communicates with the inside of the hollow needle (20) and whose rear end portion projects rearward from the hub (30) and is liquid-tightly fixed to the hub (30). A collection auxiliary liquid supply tube (51) is connected to the side tube (53).
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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