ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,215, issued on Dec. 2, was assigned to Fenwal Inc. (Lake Zurich, Ill.).

"Systems and methods for inducing plug flow during fluid separation using air" was invented by Benjamin E. Kusters (Pleasant Prairie, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid separation system and method includes a durable hardware component including a pump station with plurality of pumps, a centrifuge mounting station and drive unit, a plurality of valves and clamps, and a controller. The system includes a single use fluid flow circuit having a separation chamber configured to be received by the centrifuge and the fluid flow circuit is engageable with the dur...