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CANNULA ASSEMBLY
专利权人:
Patrick Cohen
发明人:
Patrick Cohen
申请号:
US14449515
公开号:
US20160030079A1
申请日:
2014.08.01
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The invention provides an improved cannula assembly comprising a first cannula having a first length and first inner diameter, the first cannula having at least a flexible distal portion; a trochar having a second length and second diameter, the trochar having a sharp distal position capable of puncturing through skin and one or more blood vessels of a patient and sized such that the trochar may be inserted within the first cannula and extend beyond the flexible distal portion thereof; and at least one flexible second cannula for insertion in the first cannula, each second flexible cannula sized to extend beyond the distal portion of the first cannula for a predetermined length.
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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