ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,998, issued on Dec. 9, was assigned to Temple University-Of The Commonwealth System of Higher Education (Philadelphia) and Thrombolex Inc. (New Britain, Pa.).

"Infusion catheter and method of use" was invented by Riyaz Bashir (Mount Laurel, N.J.) and Nicholas A. Green (Jupiter, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An infusion catheter has an elongate flexible shaft including a wall and a lumen extending between a proximal end and a distal end. The catheter also has a sealing member within the shaft lumen including a wall and a lumen. The catheter also has a slidable, retractable elongate central axis member extending through the shaft ...