ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,807, issued on Oct. 21, was assigned to The Regents of the University of California (Oakland, Calif.).
"Transabdominal fetal oximetry without explicit fetal signal extraction" was invented by Soheil Ghiasi (Davis, Calif.), Daniel Fong (Davis, Calif.), Kourosh Vali (Davis, Calif.), Begum Kasap (Davis, Calif.) and Weitai Qian (Davis, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides a fetal-blood-oxygen-saturation estimation technique using a deep neural network without performing explicit fetal signal extraction from mixed maternal-fetal photoplethysmogram (PPG) signals. In one aspect, the disclosed fetal-blood-oxygen-sat...