US 11,654,085 B2
Method of making dual chamber flexible container
Atul Malhotra, Vernon Hills, IL (US); Gianni Di Stefani, Ath (BE); John Doherty, Westport County (IE); Mark Timothy Foote, Lakemoor, IL (US); Eric J. Henaut, Arquennes (BE); Stephane Spataro, Sart-Dames-Aveline (BE); Johanny Stanus, Gilbecq (BE); and Joost M. Vancaillie, Lombise (BE)
Assigned to Baxter International Inc., Deerfield, IL (US); and Baxter Healthcare SA, Glattpark (CH)
Filed by Baxter International Inc., Deerfield, IL (US); and Baxter Healthcare SA, Glattpark (CH)
Filed on May 17, 2019, as Appl. No. 16/415,767.
Claims priority of provisional application 62/673,584, filed on May 18, 2018.
Prior Publication US 2019/0350811 A1, Nov. 21, 2019
Int. Cl. A61J 1/20 (2006.01); A61J 1/14 (2023.01); A61J 1/10 (2006.01); B65B 3/00 (2006.01); B65B 3/02 (2006.01); B65B 55/02 (2006.01); B65B 3/04 (2006.01); B65D 81/32 (2006.01); B65B 31/04 (2006.01); B65D 25/08 (2006.01)
CPC A61J 1/2093 (2013.01) [A61J 1/10 (2013.01); A61J 1/1468 (2015.05); A61J 1/1475 (2013.01); A61J 1/2024 (2015.05); B65B 3/003 (2013.01); B65B 3/02 (2013.01); B65B 3/04 (2013.01); B65B 55/02 (2013.01); B65D 81/3266 (2013.01); A61J 1/1406 (2013.01); B65B 31/042 (2013.01); B65B 31/043 (2013.01); B65B 31/048 (2013.01); B65D 25/08 (2013.01); B65D 81/32 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A multiple chamber container forming and filling method comprising:
forming at least one strong seal around a periphery of first and second sheets so as to leave an opening between the first and second sheets;
forming a temporary peel seal across the opening, wherein forming the temporary peel seal across the opening includes leaving a smaller opening than the opening between the first and second sheets in the temporary peel seal to accept a gas injecting structure;
forming a mixing peel seal between the first and second sheets so as to separate a diluent chamber from a powdered drug chamber;
adding diluent to the diluent chamber;
sterilizing the multiple chamber container including the diluent;
opening the temporary peel seal in an aseptic environment;
adding powdered drug to the powdered drug chamber through the opening;
strong sealing the opening so as to be closed; and
forming a delivery peel seal between the powdered drug chamber and an outlet of the multiple chamber container.