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1. US20090177157 - MICROPUMP WITH AT LEAST ONE GAS RELEASING MATERIAL

Office
United States of America
Application Number 12298812
Application Date 18.04.2007
Publication Number 20090177157
Publication Date 09.07.2009
Publication Kind A1
IPC
A61M 5/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
5Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm rests
Applicants KONINKLIJKE PHILIPS ELECTRONICS
Inventors Van Bruggen Michel Paul Barbara
Krijnsen Hendrika Cecilia
Langereis Geert
Agents PHILIPS INTELLECTUAL PROPERTY &; STANDARDS
Priority Data 06113249 28.04.2006 EP
Title
(EN) MICROPUMP WITH AT LEAST ONE GAS RELEASING MATERIAL
Abstract
(EN)

The invention relates to a micropump comprising at least one gas releasing material which drives a piston towards a second material containing a drug material which is released through a semi permeable membrane and/or flow restrictor