Patent ID: 7910008

Claim:
A sealed sterile system for filtering fluids, comprising: a first collapsible container configured to receive a fluid for filtration, a filter including a housing, the housing divided by a filter material into a first chamber having an inlet and a second chamber having an outlet, a second collapsible container configured to receive the fluid after filtration, a first section of a fluid line leading from an outlet of the first collapsible container to the inlet of the filter and a second section of the fluid line leading from the outlet of the filter to an inlet of the second collapsible container, and a third collapsible container disposed in the second section of the fluid line that is configured to deaerate the second collapsible container, wherein before filtering the fluid the first collapsible container contains a preset quantity of air, and the third collapsible container contains no air, and wherein the filling volume of the third collapsible container is smaller than the filling volume of at least one of the first collapsible container and the second collapsible container, and is greater than the volume that is enclosed by the two chambers of the filter, the first section of the fluid line, and second section of the fluid line.