F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/32 (2006.01) A61M 5/145 (2006.01) A61M 37/00 (2006.01) F04B 19/00 (2006.01) F04B 53/14 (2006.01) F04B 53/16 (2006.01) A61M 5/142 (2006.01)
Patent
CA 2508673
The invention relates to a piston pump system for the substantially gas-free dosage and/or transfer by pumping of defined quantities of liquids, preferably pharmaceutical liquids containing oxidation-sensitive components. The system is preferably used as a micropump or component of such a pump in medical devices, for example in transdermal therapeutic systems.
L'invention concerne un système pompe à piston permettant de doser et/ou de transvaser sensiblement sans gaz des quantités prédéterminées de fluides, de préférence, de fluides pharmaceutiques contenant des constituants sensibles à l'oxydation. De préférence, on utilise ce système comme micropompe ou comme constituant d'appareils médicaux comme, par exemple, des systèmes thérapeutiques transdermiques.
Eigemann Jutta
Geser Johannes
Boehringer Ingelheim International Gmbh
Fetherstonhaugh & Co.
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