ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,454, issued on June 23, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Agent delivery devices and related methods" was invented by Paul Smith (Smithfield, R.I.), Gerald Fredrickson (Westford, Mass.), Lauren Lydecker (Millbury, Mass.) and Narunn Suon (Lawrence, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An agent delivery device comprises: one or more agent containers at a proximal end of the agent delivery device, wherein the one or more agent containers are configured to contain one or more fluids; an insertion section comprising a tube defining one or more lumens, the insertion section coupled to the agent containers...