ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,431, issued on Nov. 25, was assigned to Asensus Surgical US Inc. (Durham, N.C.).

"Providing surgical assistance via automatic tracking and visual feedback during surgery" was invented by Zachary S Leonard (Raleigh, N.C.) and Kevin Andrew Hufford (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for providing visual assistance to a practitioner during a medical suturing procedure. Real time images of the suture site are captured and displayed on an image display. The images are analyzed in real time to detect the suture needle, suture penetration sites, relevant tissue, adjacent tissue edges or other features of interest ...