ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,186, issued on May 13, was assigned to RICHARD WOLF GMBH (Knittlingen, Germany).

"System for performing transcutaneous photodynamic therapy (PDT) in an organ or organ segment of an organic body" was invented by Bernd Claus Weber (Karlsruhe, Germany), Stephan Sieber (Knittlingen-Freudenstein, Germany) and Klaus Muller (Knittlingen-Freudenstein, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system, for transcutaneous photodynamic therapy in an organ or organ segment of an organic body, includes a plurality of light applicators (9), a supply unit (23) and a placement template (39) placeable relative to the organic body for defined orientatio...