US Patent Issued to Brown University on April 15 for "Optical determination of a cardiovascular variability parameter independent of skin contributions" (Rhode Island Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,547, issued on April 15, was assigned to Brown University (Providence, R.I.).

"Optical determination of a cardiovascular variability parameter independent of skin contributions" was invented by Kimani Toussaint (Providence, R.I.), Rutendo Jakachira (Providence, R.I.), Mbaye Diouf (Providence, R.I.), Joshua Burrow (Providence, R.I.) and Zixi Lin (Providence, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cardiovascular variability parameter can be detected independent of the relative absorption contribution of melanin in biological tissue. A light source and a polarization shaping device can illuminate a biological tissue with a polarized light...