ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,659, issued on Nov. 3.

"Controlled and precise treatment of cardiac tissues" was invented by Landy Toth (Doylestown, Pa.) and Robert S. Schwartz (Inver Grove Heights, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions, systems, devices, and methods for performing precise chemical treatment of tissues are disclosed. Systems, devices, and methods for administering a chemical agent to one or more a precise regions within a tissue mass are disclosed. Compositions, systems, devices, and methods for treating targeted regions within a tissue mass are disclosed. Systems, devices, and methods for identifying, localizing, monitoring neural traff...