ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,441, issued on April 8, was assigned to CREO MEDICAL Ltd. (Chepstow, Great Britain).

"Electrosurgical apparatus and method of tissue ablation" was invented by Christopher Paul Hancock (Bath, Great Britain), Patrick Burn (Chepstow, Great Britain), Charlie Campion (Bristol, Great Britain) and Louis Turner (Chepstow, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrosurgical apparatus for treating fluid-filled biological growths by replacing the fluid within the growth with a substance that assists in delivering treatment energy. The treatment energy may be microwave energy or may be thermal energy derived from microwave energy. Th...