Patent ID: 7556614
Filing Date: 2009-07-07
Classification: A61M

Abstract:
1. A separation assembly for a container that separates a first component from a second component and that allows the first component to be mixed with the second component upon occurrence of a predetermined operating condition, the separation assembly comprising: first and second open ends and a generally cylindrical hollow body there between slidably supported within the container between the first component and the second component, the hollow body having an inner sidewall surface and a flow path extending longitudinally from the first open end to the second open end, the flow path formed entirely by one or more longitudinal structures in the hollow body; a one-piece inner seal member disposed at the first open end to seal the flow path before occurrence of the predetermined operating condition; and a flow distributing member disposed at the second open end and operative to receive there through and distribute the first component into the second component upon occurrence of the predetermined operating condition; wherein: the inner seal member is operative to allow the first component to flow through the flow path and through the flow distributing member to mix with the second component in response to an occurrence of the predetermined operating condition; and a plurality of circumferential portions of the periphery of the inner seal member maintains contact with the inner sidewall surface at all times.