ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,120, issued on May 13, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Medical balloon" was invented by Adam Joseph Royer (Brooklyn Park, Minn.), Robert N. Squire (Maple Grove, Minn.), Daniel Lee Krautkremer (Plymouth, Minn.), Jeffrey S. Lindquist (Maple Grove, Minn.), Daniel James Horn (Shoreview, Minn.) and Katherine M. Prindle (Robbinsdale, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a catheter. The catheter may include a catheter shaft and a balloon. The balloon may comprise a cone portion, a waist p...