ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,858, issued on Sept. 22, was assigned to Edwards Lifesciences Corp. (Irvine, Calif.).
"Heart valve stents adapted for post-implant expansion" was invented by Brian S. Conklin (Orange, Calif.) and Qinggang Zeng (Mission Viejo, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid prosthetic heart valve configured to replace a native heart valve and having a support frame configured to be expanded post implant in order to receive and/or support an expandable prosthetic heart valve therein (a valve-in-valve procedure). The prosthetic heart valve may be configured to have a generally rigid and/or expansion-resistant configuration when initiall...