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Short-bevel non-coring needle
专利权人:
C. R. Bard; Inc.
发明人:
Bradley J. VanderStek,Daniel K. Smith
申请号:
US14213467
公开号:
US09757148B2
申请日:
2014.03.14
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A non-coring needle for use in accessing an implanted medical device is disclosed. The non-coring needle is configured so as to include a compact bevel face relative to standard non-coring needles. In one embodiment, the non-coring needle comprises a hollow cannula that defines a lumen and terminates at a sharpened distal tip. The cannula includes a proximal portion and a bent distal portion. The distal portion defines a bevel face extending proximally from the distal tip, and the bevel face includes the lumen distal opening. The bevel face defines an open angle of at least about one degree with respect to a longitudinal axis of the proximal portion of the cannula. The bevel face is also laterally offset from the proximal portion of the cannula by an offset distance of no more than about 0.010 inch. A portion of the bevel face is dulled to prevent access port septum coring.
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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