US 12,186,266 B2
Multi-chamber bag for parenteral nutrition solutions
Freddy Desbrosses, Thuin (BE); Pierpaola Padula, Etterbeek (BE); Jean-Claude Bezin, Lessines (BE); and Marin Demulier, Jumet (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 Dec. 7, 2021, as Appl. No. 17/543,933.
Prior Publication US 2023/0172806 A1, Jun. 8, 2023
Int. Cl. A61J 1/10 (2006.01); A61J 1/14 (2023.01); A61J 1/20 (2006.01)
CPC A61J 1/10 (2013.01) [A61J 1/1475 (2013.01); A61J 1/2024 (2015.05); A61J 1/2058 (2015.05)] 26 Claims
OG exemplary drawing
 
1. A flexible multi-chamber bag for storing and reconstituting parenteral nutrition solutions, the flexible multi-chamber bag comprising:
two polymer films edge-sealed to form a first bag having a top edge, a bottom edge, a left edge and a right edge, wherein the top edge, the bottom edge, the left edge and the right edge are non-peelably sealed;
a first plurality of tubes with sidewalls non-peelably sealed between the two polymer films at the top edge to form a first plurality of port tubes;
a second plurality of tubes with sidewalls non-peelably sealed between the two polymer films at the bottom edge to form a second plurality of port tubes;
a first peelably sealing wall and a second peelably sealing wall between the two polymer films extending from the top edge to the bottom edge and separating the first bag into a first chamber between the first peelably sealing wall and the second peelably sealing wall, a first space between the left edge and the first peelably sealing wall, a second space between the second peelably sealing wall and the right edge;
a third peelably sealing wall extending from the left edge to the first peelably sealing wall to separate the first space to form a third chamber and a fourth chamber; and
a fourth peelably sealing wall extending from the right edge to the second peelably sealing wall to separate the second space to form a second chamber and a fifth chamber,
wherein the flexible multi-chamber bag comprises a first portion near the top edge comprising the first plurality of port tubes, and the first portion is non-peelably sealed and removed from the flexible multi-chamber bag.