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1. EP2015801 - MICROPUMP WITH AT LEAST ONE GAS RELEASING MATERIAL

Office
European Patent Office
Application Number 07735531
Application Date 18.04.2007
Publication Number 2015801
Publication Date 21.01.2009
Publication Kind A2
IPC
A61M 5/155
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
155pressurised by gas
F04B 19/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
19Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/-F04B17/158
CPC
A61M 5/141
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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
141with capillaries for restricting fluid flow
A61M 5/14276
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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
14244adapted to be carried by the patient, e.g. portable on the body
14276specially adapted for implantation
A61M 5/14526
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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. pressurised by means of pistons
1452pressurised by means of pistons
14526the piston being actuated by fluid pressure
A61M 5/14593
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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. pressurised by means of pistons
14586pressurised by means of a flexible diaphragm
14593the diaphragm being actuated by fluid pressure
A61M 2005/14204
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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
14204with gas-producing electrochemical cell
A61M 2005/14264
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
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
14244adapted to be carried by the patient, e.g. portable on the body
14264with means for compensating influence from the environment
Applicants KONINKL PHILIPS ELECTRONICS NV
Inventors VAN BRUGGEN MICHEL PAUL BARBAR
KRIJNSEN HENDRIKA CECILIA
LANGEREIS GEERT
Designated States
Priority Data 06113249 28.04.2006 EP
07735531 18.04.2007 EP
Title
(DE) MIKROPUMPE MIT MINDESTENS EINEM GASFREISETZUNGSMATERIAL
(EN) MICROPUMP WITH AT LEAST ONE GAS RELEASING MATERIAL
(FR) MICRO-POMPE COMPRENANT AU MOINS UN MATÉRIAU ÉMETTANT DU GAZ
Abstract
(EN) The invention relates to a micropump comprising at least one gas releasing material (50) which drives a piston (70a, 70b) towards a second material (80a, 80b) containing a drug material which is released through a semi permeable membrane (20) and/or flow restrictor.
(FR) L'invention concerne une micro-pompe comprenant au moins un matériau émettant du gaz entraînant un piston vers un deuxième matériau comprenant une drogue qui est délivrée au travers d'une membrane semi-perméable et/ou un réducteur de débit.