ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,450, issued on Jan. 27, was assigned to Abiomed Europe GmbH (Aachen, Germany).

"Device and method for determination of a CO2 partial pressure value on a blood side of an oxygenator" was invented by Christoph Nix (Aachen, Germany) and Verena Zscherlich (Aachen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Device for determination of a CO2 partial pressure value on a blood side of an oxygenator having an oxygenator with a blood side, a gas side and a semipermeable membrane, wherein the membrane separates the blood side from the gas side, the gas side has an inlet and an outlet and, during operation of the oxygenator, a gas flow flows into th...