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1. WO2007125456 - MICROPUMP WITH AT LEAST ONE GAS RELEASING MATERIAL

Publication Number WO/2007/125456
Publication Date 08.11.2007
International Application No. PCT/IB2007/051392
International Filing Date 18.04.2007
IPC
A61M 5/155 2006.01
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 2006.01
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 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
A61M 2005/14513
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
14513with secondary fluid driving or regulating the infusion
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
Applicants
  • KONINKLIJKE PHILIPS ELECTRONICS N. V. [NL]/[NL] (AllExceptUS)
  • VAN BRUGGEN, Michel Paul Barbara [NL]/[NL] (UsOnly)
  • KRIJNSEN, Hendrika Cecilia [NL]/[NL] (UsOnly)
  • LANGEREIS, Geert [NL]/[NL] (UsOnly)
Inventors
  • VAN BRUGGEN, Michel Paul Barbara
  • KRIJNSEN, Hendrika Cecilia
  • LANGEREIS, Geert
Agents
  • SCHOUTEN, Marcus M.
Priority Data
06113249.428.04.2006EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(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.
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