ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,924, issued on July 28, was assigned to Medtronic Inc. (Minneapolis).

"Ultrasound image-based guidance of medical instruments or devices" was invented by Syed Omar Ishrak (Laguna Beach, Calif.) and Sarah E. Ahlberg (Maple Grove, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example, a system includes an ultrasound sensor configured to transmit ultrasound energy and receive ultrasound energy reflected in a region of a patient and one or more processors configured to generate a reference ultrasound image of the region of the patient based on a portion of the ultrasound energy that was received by the ultrasound sensor prior to a medical i...