ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,414,870, issued on Sept. 16, was assigned to Accumed Radial Systems LLC (Farmington Hills, Mich.).

"System, apparatus, and method for creating a lumen" was invented by William W. O'Neill (Grosse Pointe Farms, Mich.) and Joseph R. Korotko (Livonia, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of performing angioplasty includes accessing an artery, inserting a tubular balloon into to the artery in a low-profile operating mode, the tubular balloon constrained in a generally helical shape, and forming a lumen within the generally helical shape by expanding the tubular balloon into a high-profile operating mode. A system for creating a lume...