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1. US20090198220 - OSMOTIC PUMP WITH AT LEAST ONE CHARGEABLE MATERIAL

Office
United States of America
Application Number 12298800
Application Date 18.04.2007
Publication Number 20090198220
Publication Date 06.08.2009
Publication Kind A1
IPC
A61M 5/145
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
14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
142Pressure infusion, e.g. using pumps
145using pressurised reservoirs, e.g. by means of pistons
Inventors Van Bruggen Michel Paul Barbara
Krijnsen Hendrika Cecilia
Langereis Geert
Agents PHILIPS INTELLECTUAL PROPERTY &; STANDARDS
Priority Data 06113248 28.04.2006 EP
Title
(EN) OSMOTIC PUMP WITH AT LEAST ONE CHARGEABLE MATERIAL
Abstract
(EN)

The invention relates to an osmotic pump (1) comprising at least one chargeable material (30) whereby the osmotic pressure is caused by inducing and/or de-inducing charges within the material.