ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,940, issued on Dec. 30, was assigned to Biosense Webster (Israel) Ltd. (Yokneam, Israel).

"Layered multi-activation local activation times (LAT) mapping" was invented by Leonid Zaides (Atlit, Israel), Elad Nakar (Timrat, Israel), Eliyahu Ravuna (Kiryat Ata, Israel), Yoav Benaroya (Kfar Saba, Israel) and Refael Itah (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving a plurality of data points including electrical activation (EA) values measured at respective positions in at least a portion of a surface of a cardiac chamber of a heart of a patient. Using a predefined EA value criterion, the EA values in a give...