Patent ID: 7289724
Filing Date: 2007-10-30
Classification: A61M

Abstract:
1. A liquid heating bag comprising: at least two flexible plastic foils connected to each other at edges to form a flat, substantially trapezoidal flow volume between the edges; an inlet line opening and an outlet line opening disposed at a first edge and in fluid communication with the flow volume; a liquid flow guiding seam formed by a connection between the plastic foils and disposed within the flow volume; an insertion tab, formed as part of the plastic foils, disposed on a second edge opposite the first edge and projecting past the second edge; and wherein third and fourth edges of the bag are longer than the first and second edges and the guiding seam extends from the first edge and is generally parallel to the third edge to divide the flow volume into upper and lower sections, the upper and lower sections being in fluid communication with one another proximate the second edge, the inlet line opening being in fluid communication with the upper section and the outlet line opening being in fluid communication with the lower section.