Inflation device with storage chamber

A - Human Necessities – 61 – M

Patent

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Details

A61M 25/10 (2006.01)

Patent

CA 2429800

Inflation devices for use with balloon catheters. The inflation devices are preloaded with a fluid stored in a chamber in the plunger. An inflation device in accordance with one embodiment of the present invention includes a barrel defining a primary chamber therein, a plunger disposed in the primary chamber and defining a storage chamber, and a valve for selectively providing fluid communication between the storage chamber and the primary chamber. The preloaded fluid may be pressurized and may comprise, for example, a gas (other than air), a liquid, or a fluid containing a drug. The inflation device is preferably preloaded by the manufacturer and/or packager of the inflation device.

L'invention porte sur des dispositifs de stockage destinés à être utilisés avec des cathéters à ballonnet. Ces dispositifs de gonflage sont préchargés avec un fluide stocké dans la chambre du plongeur. Selon une réalisation, le dispositif de gonflage de l'invention comprend un cylindre formant une chambre primaire, un plongeur placé dans la chambre primaire et formant une chambre de stockage et une valve destinée à faire passer sélectivement le fluide entre la chambre de stockage et la chambre primaire. Le fluide préchargé peut être pressurisé et peut comprendre, par exemple, un gaz (autre que l'air), un liquide ou un fluide contenant un médicament. Le dispositif de gonflage est de préférence préchargé par le fabricant et/ou le conditionneur.

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