ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,221, issued on March 31, was assigned to Siemens Medical Solutions USA Inc. (Malvern, Pa.).

"Mechanically-decoupled actuation for robotic catheter system" was invented by Christian DeBuys (Metairie, La.), Young-Ho Kim (West Windsor, N.J.), Ankur Kapoor (Plainsboro, N.J.) and Tommaso Mansi (Plainsboro, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "For robotically operating a catheter, a medical catheter is controlled by rotation of the catheter as well as steering in one or more planes of a distal end of the catheter. To robotically rotate the catheter, a handle is rotated. The steering is performed separately using one or more knobs on the ha...