ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,482, issued on April 15, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Cryoballoon having greater size adjustability at lower operating pressures" was invented by Eugene J. Jung Jr. (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A balloon catheter for an intravascular catheter system includes a cryogenic balloon that is formed from a blend of polyurethane and polyamide block copolymer. The percentages of polyurethane and polyamide block copolymer can vary. For example, the cryogenic balloon can be formed from greater than 50% polyurethane and less than 50% polyamide block copolymer; greater than 75% polyurethane and ...