ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,155, issued on July 1, was assigned to Medtronic Inc. (Minneapolis).

"Atrial arrhythmia episode detection in a cardiac medical device" was invented by Jian Cao (Shoreview, Minn.) and Elise Higgins (St. Paul, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and medical device for determining a cardiac episode that includes sensing a cardiac signal, identifying the signal sensed during a predetermined time interval as one of a cardiac event, a non-cardiac event, and an unclassified event, determining a number of identified cardiac events, determining a number of identified unclassified events, and determining whether the cardiac episode is...