ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,233, issued on Oct. 20, was assigned to Fresenius Medical Care Deutschland GmbH (Bad Homburg, Germany).

"Method of removing blood from an extracorporeal blood circuit, treatment apparatus, and tube system" was invented by Goetz Guenther (Oberursel, Germany) and Joachim Manke (Loehnberg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method of removing blood from an extracorporeal blood circuit following termination of a blood treatment session, wherein blood is concurrently removed both from an arterial conduit portion and from a venous conduit portion of the extracorporeal blood circuit. It further relates...