ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,424, issued on March 24, was assigned to Route 92 Medical Inc. (San Mateo, Calif.).

"Aspiration catheter systems and methods of use" was invented by Tony M. Chou (San Mateo, Calif.) and Scott D. Wilson (San Mateo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are methods, systems, devices for facilitation of intraluminal medical procedures within the neurovasculature. A catheter advancement device includes a flexible elongate body having a proximal end, a distal end, and a single lumen extending therebetween. The flexible elongate body has a proximal segment, an intermediate segment, and a tip segment. The proximal segment include...