ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,747, issued on Nov. 4, was assigned to ACIST Medical Systems Inc. (Eden Prairie, Minn.).

"Angiogram injections using electrocardiographic synchronization" was invented by Matthew James Russell Bakken (Bloomington, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection system is described that receives, from one or more sensors, a first group of one or more signals indicating a current volume of injection fluid dispensed from a fluid reservoir at a first time. The injection system determines, based on the first group of one or more signals, that a difference between a dispensed volume limit and the current volume of the injection fluid disp...