ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,317, issued on June 3, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Stent delivery system having retention structure" was invented by Michael D. Amos (Boston), John Lane (Manchester, N.H.), Jacob A. Graham (Watertown, Mass.), Gary J. Leanna (Holden, Mass.), Andrew K. Hollett (Waltham, Mass.) and Michal Weisman (Fair Lawn, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stent delivery system including an elongate shaft of a medical device, a stent selectively coupled to a distal portion of the elongate shaft, and a coupling mechanism for selectively coupling the stent to the elongate shaft by inserting a tab on one of the...