发明名称 |
ADMINISTRATION APPARATUS FOR MEDICAL USE |
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.
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申请公布号 |
US2009062777(A1) |
申请公布日期 |
2009.03.05 |
申请号 |
US20080249282 |
申请日期 |
2008.10.10 |
申请人 |
SUGIMOTO HIROFUMI;MATSUDA KOUICHI;IIO TOSHIAKI;KIKUCHI SEIJI;TAKEUCHI YOSHIKI |
发明人 |
SUGIMOTO HIROFUMI;MATSUDA KOUICHI;IIO TOSHIAKI;KIKUCHI SEIJI;TAKEUCHI YOSHIKI |
分类号 |
A61J1/06;A61K9/22;A61M5/178;A61M5/24;A61M5/315 |
主分类号 |
A61J1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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