Method and machine for producing sterile solution product bags

A method of providing a plurality of filled product bags of sterile fluid, the method comprising:

• positioning a bag assembly onto a filling machine, wherein the bag assembly includes a tube, a filter assembly in fluid communication with the tube, a plurality of bladders, and a plurality of stems, wherein a stem is attached to a bladder, forms a fluid passageway, fluidly connects to the tube, and provides fluid communication into an interior of the plurality of bladders;
• fluidly coupling an inlet of the filter assembly to a connection line in fluid communication with a fluid source;
• filling the bag assembly with a fluid to create an at least partially filled bag assembly, wherein filling the bag assembly includes passing the fluid through the filter assembly, the fluid passageway of the stem, and into the bladder;
• after filling, sealing the fluid passageway of the stem of the at least partially filled bag assembly at a location between the tube and the bladders, thereby creating a sealed passageway in the stem;
• after sealing the stem, cutting the stem to form an at least partially filled product bag having the sealed passageway;
• and
• performing an integrity test on the filter assembly.