Dispensing – Resilient wall – Supply container delivering to receiving chamber
Reexamination Certificate
2007-01-05
2010-10-12
Nicolas, Frederick C. (Department: 3754)
Dispensing
Resilient wall
Supply container delivering to receiving chamber
C222S001000, C222S105000, C222S212000, C222S213000, C222S494000, C222S632000, C222S633000
Reexamination Certificate
active
07810677
ABSTRACT:
A flexible pouch defining a variable volume storage chamber and one-way valve assembly for aseptically storing a substance, dispensing multiple portions of the stored substance therefrom in cooperation with a pump, and maintaining substance remaining in the pouch in an aseptic condition sealed with respect to ambient atmosphere. The one-way valve includes a valve seat and elastic valve cover portion overlying the valve seat forming an interference fit therewith defining a normally-closed seam therebetween. The valve portion is movable radially between (i) a normally closed position with the valve portion engaging the valve seat, and (ii) an open position with at least a segment of the valve portion spaced radially away from the valve seat to allow substance from the storage chamber through the valve opening. The one-way valve maintains substance remaining in the variable-volume storage chamber in an aseptic condition sealed with respect to the ambient atmosphere.
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Adamo Benoit
Chan Julian V.
Houle Nathaniel
Py Daniel
McCarter & English LLP
Medical Instill Technologies Inc.
Nicolas Frederick C.
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