ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,484, issued on Oct. 27, was assigned to TC1 LLC (St. Paul, Minn.).

"Extracorporeal membrane oxygenator with partitioned sides" was invented by J. Freddy Hansen (Alameda, Calif.) and Daniel I. Harjes (Carlisle, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oxygenator and method for oxygenating blood. The oxygenator includes a housing, an oxygenation chamber, and elongated gas permeable conduits that extend across the oxygenation chamber. The blood flow enters and contacts with exterior surfaces of the conduits and exits the oxygenator to transfer of oxygen from within the conduits to the blood flow and transfer carbon dioxide from the blood...