A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 5/20 (2006.01) A61M 5/31 (2006.01) A61M 5/34 (2006.01) A61M 5/28 (2006.01) A61M 5/32 (2006.01)
Patent
CA 2401094
The present invention is directed to a drug delivery device. The device includes an interior chamber and a seal structure. In accordance with the present invention, the interior chamber may include a first, liquid medicament compartment and a second medicament compartment. The seal structure is conditionable to permit fluid to pass therethrough upon pressurization of the fluid. The seal structure preferably includes a sealing member which moves from a first sealed position into a second by-pass position upon pressurization of the liquid injection solution in the wet compartment of the housing assembly. Such by-pass movement of the sealing member enables the liquid injection solution to flow through the seal structure into the second ingredient compartment and mix for injection.
La présente invention concerne un dispositif d'administration de médicament. Le dispositif comprend une chambre intérieure et une structure d'étanchéité. Selon la présente invention, la chambre intérieure peut comprendre un premier compartiment de médicament liquide et un deuxième compartiment de médicament. La structure d'étanchéité est conditionable pour y permettre le passage de fluide dès la pressurisation du fluide. La structure d'étanchéité comprend préférablement un organe de scellement qui passe d'une première position scelée à une deuxième position de dérivation dès la pressurisation de la solution à injection liquide dans le compartiment humide du boîtier. Un tel mouvement de dérivation de l'organe de scellement permet l'acheminement de la solution à travers la structure d'étanchéité vers le deuxième compartiment d'ingrédients et de mélange pour l'injection.
Griffiths Steven
Hill Robert L.
Wilmot John G.
Gowan Intellectual Property
Meridian Medical Technologies Inc.
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