US Patent Issued to The Regents of the University of California on July 21 for "Transabdominal fetal oximetry based on frequency-modulated continuous-wave near-infrared spectroscopy" (California Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,464, issued on July 21, was assigned to The Regents of the University of California (Oakland, Calif.).

"Transabdominal fetal oximetry based on frequency-modulated continuous-wave near-infrared spectroscopy" was invented by Weijian Yang (Redwood, Calif.), Shing-Jiuan Liu (Davis, Calif.) and Soheil Ghiasi (Davis, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides transabdominal fetal oximetry (TFO) that uses frequency-modulated continuous-wave (FMCW) time-domain near-infrared spectroscopy to measure time-resolved reflectance values of light signals collected from a maternal-fetal multilayer tissue structure. In various embo...