Flexible mixing pouch with aseptic burstable internal chambers

Details Flexible mixing pouch with aseptic burstable internal chambers Flexible mixing pouch with aseptic burstable internal chambers

2005-08-30

2005-08-30

Ackun, Jr., Jacob K. (Department: 3723)

Special receptacle or package

For mixing

Reexamination Certificate

active

06935492

ABSTRACT:
A flexible mixing pouch with aseptic burstable internal chambers for storing a plurality of substances in isolated, hermetically sealed aseptic chambers therein in order to maintain the freshness and integrity of each pre-measured substance until ready for combining into a desired solution. The interior pocket of the outer pouch contains one or more internal storage chambers adjacent a mixing chamber. Impermeable sheets bonded to the outer pouch define the sealed storage chambers and include a frangible portion thereon forming burst ports. The user squeezes the desired storage chamber and the pressure applied thereto creates a disparity between the internal pressure against the impermeable sheet and the external pressure in said mixing chamber and compromises the integrity of the associated burst port causing it to rupture and discharge the contained substance into the mixing chamber where it is combined with the contained substance to create the desired solution having a precise, predefined ratio of the first substance to the second substance.

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