Christian D Masterson

US Patent:

20070075714, Apr 5, 2007

Filed:

Sep 28, 2006

Appl. No.:

11/529184

Inventors:

Harli Dollinger - Fort Worth TX, US
Kerry Markwardt - Burleson TX, US
William McCune - Fort Worth TX, US
Christian Masterson - Arlington TX, US

International Classification:

G01R 31/02

US Classification:

324754000

Abstract:

A solution packaging system and method of administering a solution are disclosed. One embodiment of the solution packaging system of the present invention comprises a gas-impermeable dual-chamber bag, having a first chamber and a second chamber separated by a frangible (releasable) seal, and an over-wrap member enclosing and containing the dual-chamber inner bag. The dual-chamber bag can be used to package two-part medicinal solutions containing bicarbonate, such as ophthalmic irrigation solutions. The first chamber can be filled with and contain a first part of such an irrigation solution, comprising, for example, a buffer such as bicarbonate. The second chamber can contain the second part of such a solution, comprising, for example, glutathione (GSSG), or other anti-oxidant, and dextrose, or other energy source. Both parts may contain other excipients. The over-wrap member can serve as a dust cover and need not be a moisture or gas barrier, as the dual-chamber inner bag will have sufficient gas barrier properties to minimize the loss of COfrom the first part of the solution (e.g., the bicarbonate). All of the components of the dual-chamber solution packaging system can withstand steam sterilization. The dual-chamber bag can be fitted with an administration port, which can be manufactured of, for example, polypropylene (PP), and sealed with a stopper (e.g., butyl rubber stopper) and an aluminum crimp seal. The dual-chamber bag can further comprise fill-ports to fill each chamber. The fill port openings can be sealed after filling the chambers and the fill ports cut from the dual-chamber bag. The frangible seal between the chambers of the embodiments of this invention can be broken by the end user to mix and reconstitute the two parts of the solution prior to use.