Constant pressure apparatus for the administration of fluids...

Details Constant pressure apparatus for the administration of fluids... Constant pressure apparatus for the administration of fluids...

A - Human Necessities

61

M

A61M 5/48 (2006.01) A61M 5/155 (2006.01) A61M 5/44 (2006.01) A61M 5/145 (2006.01)

Patent

CA 2423186

A constant-pressure apparatus for the administration of fluids intravenously, which includes a fluid chamber containing the fluid to be administered; a first hose, in communication with the fluid chamber, for directing the fluid to an intravenous administration needle; a liquefied-gas cartridge, containing liquefied gas, in communication with the fluid chamber, for providing a constant pressure source to exert pressure onto the fluid chamber, thus forcing the fluid to exit through the first hose at a constant rate; and a pressure communicator for communicating the constant pressure of the liquefied- gas cartridge to the fluid chamber, and a method of administering fluids intravenously.

L'invention concerne un appareil à pression constante pour l'administration de liquides par voie intraveineuse, qui comporte un réservoir de liquide contenant le liquide à administrer ; un premier tube, relié au réservoir de liquide, destiné à diriger le liquide vers une aiguille d'administration intraveineuse ; une cartouche de gaz liquéfié, contenant du gaz liquéfié, en communication avec le réservoir de liquide, destinée à fournir une source de pression constante pour exercer une pression sur le réservoir de liquide, forçant ainsi le liquide à sortir par le premier tube à un rythme constant ; et un dispositif de communication de pression destiné à communiquer la pression constante de la cartouche de gaz liquéfié au réservoir de liquide. L'invention concerne également un procédé d'administration de liquides par voie intraveineuse.

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