ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,746, issued on Oct. 7, was assigned to St. Jude Medical Cardiology Division Inc. (St. Paul, Minn.).
"Sealing structures for paravalvular leak protection" was invented by Peter N. Braido (Wyoming, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthetic heart valve for replacing a native valve includes a collapsible and expandable stent having a proximal end and a distal end, and a valve assembly disposed within the stent, the valve assembly including a plurality of leaflets and a cuff annularly disposed about the stent. The cuff includes a surplus portion capable of forming a sealing structure having a diameter greater than a diameter of the...