Pouch-like bags for containing liquids
First Claim
1. A pouch-like bag for containing a liquid for medical or surgical use, the bag having two walls formed by respective plies of flexible plastics material sealed together around at least their top and side edges and one or more additional, folded piles of flexible plastics material disposed between the walls of the bag to form a gusset fold having opposed leaves sealed to the adjacent walls of the bag and which carries one or more elements for receiving a needle for making connection with the bag contents and which is closed to form a sealed compartment protecting the or each element which it carries from contamination, characterised in that said one or more additional, folded plies being substantially smaller than the walls of the bag, so that when the sealed compartment is opened said one or more folded plies form a substantially flat bottom portion of the bag extending substantially perpendicular to the walls of the bag and presenting the element or elements for insertion of a needle or needles in a direction substantially parallel to the walls of the bag so as to avoid risk of accidental penetration of the walls.
1 Assignment
0 Petitions
Accused Products
Abstract
A pouch-like bag for containing a liquid for medical or surgical use has two walls (10, 11) formed by respective plies of flexible plastics material sealed together (at 12) around at least their top and side edges and one or more, folded plies (14) of flexible plastics material of substantially smaller dimensions forming a gusset bottom portion having opposed leaves (16, 17) each of which is sealed (at 18) to the adjacent wall (10, 11). The gusset ply (14) carries one or more elements (21, 22 ) of elastomeric material capable of making an hermetic and liquid-tight seal with a needle, e.g. an administration set needle for a hospital drip-feed system or a hypodermic or injection needle for injecting a drug into the bag contents. The gusset ply (14) is closed by a seal (27) between its leaves to form a sealed compartment which can be opened, either by peeling open the seal (27) or by cutting or tearing, whereupon it forms a substantially flat bottom portion of the bag and presents the elements (21, 22) substantially perpendicular to the walls (10, 11) for insertion of a needle or needles without risk of accidental penetration of the walls.
37 Citations
10 Claims
- 1. A pouch-like bag for containing a liquid for medical or surgical use, the bag having two walls formed by respective plies of flexible plastics material sealed together around at least their top and side edges and one or more additional, folded piles of flexible plastics material disposed between the walls of the bag to form a gusset fold having opposed leaves sealed to the adjacent walls of the bag and which carries one or more elements for receiving a needle for making connection with the bag contents and which is closed to form a sealed compartment protecting the or each element which it carries from contamination, characterised in that said one or more additional, folded plies being substantially smaller than the walls of the bag, so that when the sealed compartment is opened said one or more folded plies form a substantially flat bottom portion of the bag extending substantially perpendicular to the walls of the bag and presenting the element or elements for insertion of a needle or needles in a direction substantially parallel to the walls of the bag so as to avoid risk of accidental penetration of the walls.
Specification