ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,299, issued on Dec. 9, was assigned to Beihang University (Beijing).
"Blood oxygenator" was invented by Zengsheng Chen (Beijing), Yubo Fan (Beijing) and Xiaoyan Deng (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a blood oxygenator. The blood oxygenator includes a blood inlet chamber, and a housing. A hollow cavity is arranged in the housing, and includes a heat exchange zone and a gas exchange zone. Multiple heat exchange filaments are arranged in the heat exchange zone. Multiple hollow fibrous membrane fibers are arranged in the gas exchange zone. The blood inlet chamber includes an inverted conical side wall and an end surfac...