Puncture needle and medical procedure using puncture needle that is performed via natural orifice

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专利权人:

Takumi Dejima

发明人:

Takumi Dejima,Manabu Miyamoto,Kiyotaka Matsuno

申请号：

US11649036

公开号：

US08728121B2

申请日:

2007.01.03

申请国别(地区):

US

年份:

2014

代理人:

摘要：

A puncture needle includes: a needle part that has a first needle part and a second needle part that are hollow, adjacent, and have resiliency and a sheath that retractably accommodates the needle part in which a bend part that separates distal end sides of the first needle part and the second needle part to be further apart than proximal end sides thereof is provided in at least one of the first needle part and the second needle part.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/