发明名称 |
Piston-pumping system having o-ring seal properties |
摘要 |
The present invention relates to a piston pumping system for substantially gas-free measurement and/or pumping of predetermined quantities of liquids, preferably pharmaceutical liquids containing oxidation-prone ingredients. Preferably, the system is used as a micropump or as a component thereof in medical devices such as transdermal therapeutic systems, for example.
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申请公布号 |
US7284474(B2) |
申请公布日期 |
2007.10.23 |
申请号 |
US20030727286 |
申请日期 |
2003.12.03 |
申请人 |
BOEHRINGER INGELHEIM INTERNATIONAL GMBH |
发明人 |
EIGEMANN JUTTA;GESER JOHANNES |
分类号 |
F16J15/18;A61M5/142;A61M5/145;A61M37/00;F04B19/00;F04B53/14;F04B53/16;F16J15/32 |
主分类号 |
F16J15/18 |
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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