ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,137, issued on Aug. 26, was assigned to MEDTRONIC VASCULAR INC. (Santa Rosa, Calif.).
"Nested balloon assembly" was invented by Jeffrey Vogel (Brooklyn Park, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A medical balloon assembly including an inner balloon nested within an outer balloon. The inner balloon has a first target burst pressure at which the inner balloon bursts and the outer balloon has a second target burst pressure at which the outer balloon bursts. A differential between the first and second target burst pressures is sufficient to allow the outer balloon to remain intact upon inflation of the inner and outer balloons causing th...