ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,394, issued on March 25, was assigned to MEDTRONIC MINIMED INC. (Northridge, Calif.).

"Catheters including radiopaque markers and methods of making the same" was invented by Juan Ramon Gonzalez (Arleta, Calif.), Sam William Bowman (Valencia, Calif.) and Rudolph A. Montalvo (Woodland Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter including a tubular catheter body defining a distal portion, a distal end and a lumen that extends to the distal end, a radiopaque marker carried within the lumen, and a non-metal tip that is bonded to distal end of the catheter body."

The patent was filed on July 3, 2021, under Application No. 17/...