ALEXANDRIA, Va., March 17 -- United States Patent no. 12,575,921, issued on March 17, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Stent and sleeve deployment" was invented by Damien Vincent Nolan (Galway, Ireland), Martyn G. Folan (Galway, Ireland), Martin Hynes (Galway, Ireland), Thomas Martin Keating (Galway, Ireland), Bryan Forde (Galway, Ireland), Kathleen Corcoran (Watertown, Mass.) and Kevin M. Reavis (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A delivery system for delivering an implant having both a rigid portion and a flexible portion to a body lumen. The delivery system includes an outer tubular member and an inner tubular member slidably disposed within ...