ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,584, issued on July 21, was assigned to Circa Scientific Inc. (Englewood, Colo.).

"Instrument port for epicardial ablation with anatomical epicardial structures and real-time lesion image processor" was invented by Thomas Marchand (Boston) and Jonathan B. O'Keefe (North Attleboro, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling an epicardial ablation procedure comprises (a) inserting an instrument port comprising an ablation tool, an optical camera and an optical light emitter into an epicardial cavity proximal to a target region; (b) providing optical light into said epicardial cavity through said optical light emitter...