ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,209, issued on Aug. 19, was assigned to Applied Medical Resources Corp. (Rancho Santa Margarita, Calif.).

"Systems and methods for tissue removal" was invented by Alexandra Do (San Clemente, Calif.), Boun Pravong (Rancho Santa Margarita, Calif.) and Serene Wachli (Rancho Santa Margarita, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A guard for providing a cut-resistant pathway through a body orifice or incision to circumferentially protect tissue at the margin is provided. The guard is made of flexible, cut-resistant mesh material having a plurality of interwoven thermosoftening filaments. The guard has a central lumen and at least one flar...