Single barrel two-compartment medicament container assembly

Details Single barrel two-compartment medicament container assembly Single barrel two-compartment medicament container assembly

A - Human Necessities

61

J

217/10, 128/84

A61J 3/02 (2006.01) A61J 1/00 (2006.01) A61M 5/24 (2006.01) A61M 5/315 (2006.01) A61M 5/31 (2006.01)

Patent

CA 1221063

SINGLE BARREL TWO-COMPARTMENT MEDICAMENT CONTAINER ASSEMBLY ABSTRACT OF THE DISCLOSURE A single barrel two compartment assembly for medicaments comprising an elongated cylindrical hollow barrel having a normally sealed discharge end, a bypass plunger made of a pliable resilient material having a forward section of a diameter slightly greater than the diameter of the barrel, means defining a seat in the bypass plunger, a plunger rod having a tip engageable in said seat for actuating said bypass plunger axially in said barrel and seal means for sealing the open end of the said barrel remote from said discharge end, said bypass plunger normally dividing said barrel into a first compartment to one side of the bypass plunger for a powder medicament and a diluent compartment on the opposite side of said bypass plunger, actuation of said bypass plunger in one direction creating internal diluent pressure whereby said diluent bypasses the periphery of said plunger to mix with said powder medicament.

399833

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