ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,475, issued on Oct. 28, was assigned to FLUOPTICS (Grenoble, France).

"Method and device for monitoring fluorescence diffusion images emitted at the surface of a biological tissue and automatically determining the variations between fluorescence images" was invented by Anthony Daures (Clichy, France) and Philippe Rizo (La Tronche, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for monitoring diffusion of a fluorescent marker within a region of biological tissue includes observing the marker's diffusion in a series of images captured by a camera and determining whether to display an image based at least in part on the evolution of the...