ADMINISTRATION APPARATUS FOR MEDICAL USE

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专利权人:

发明人:

Hirofumi SUGIMOTO,Toshiaki IIO,Seiji KIKUCHI,Yoshiki TAKEUCHI,Kouichi MATSUDA

申请号：

US14845745

公开号：

US20150374912A1

申请日:

2015.09.04

申请国别(地区):

US

年份:

2015

代理人:

摘要：

An expansion/compression mechanism of a piston rod assembly is composed of a bush shaft, a first cylindrical piston rod that is screwed with the bush shaft, a second cylindrical piston rod that is screwed with the first piston rod, and a piston rod holding member for housing the bush shaft and these piston rods. Therefore, the piston rods move linearly in multiple stages.

来源网站：

中国工程科技知识中心

来源网址：

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