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

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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
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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.
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