Cartridge, device and method for pharmaceutical storage,...

A - Human Necessities – 61 – M

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A61M 5/19 (2006.01) A61J 1/06 (2006.01) A61J 1/14 (2006.01) A61M 5/315 (2006.01) B01F 13/00 (2006.01) B05C 17/005 (2006.01)

Patent

CA 2588888

Embodiments of the invention relate generally to cartridges, devices and methods for pharmaceutical constituents for storage, mixing and delivery. Particular embodiments relate to a device and method for pharmaceutical constituent mixing and delivery using a double-chambered cartridge within a socket member, for use as part of a syringe device. Other embodiments relate to a cartridge assembly for storing the pharmaceutical constituents prior to mixing and a method of forming the cartridge assembly. Still further embodiments relate to an extensible plunger for actuation of the delivery device. The extensible plunger is actuated in a first stroke while in its retracted state to mix the constituents and is actuated in a second stroke in its extended state to deliver the mixed constituents to an external volume.

L'invention porte d'une manière générale dans ses différentes exécutions sur des cartouches, et dispositifs et sur des procédés de stockage, mélangeage et délivrance de constituants pharmaceutiques, et en particulier sur un dispositif et un procédé de mélangeage et de délivrance de constituants pharmaceutiques utilisant une cartouche à double chambre placée dans un élément creux et s'utilisant en tant que partie de seringue. D'autres exécutions portent: sur une cartouche de stockage de produits pharmaceutiques avant leur mélange; sur le procédé d'élaboration de ladite cartouche; et sur un piston extensible activant le dispositif de délivrance, qui pressé une première fois revient en arrière pour mélanger les constituants, et pressé une deuxième fois, à l'état étendu transfert les constituants mélangés dans un volume extérieur.

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