ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,069, issued on Dec. 9, was assigned to Mitrassist Medical Ltd. (Caesarea, Israel).
"Heart valve prosthesis" was invented by Gil Naor (Hofit, Israel) and Gideon Meyer-Brodnitz (Yokneam, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heart valve prosthesis frame, the frame comprising a hollow tube shape for allowing blood to flow through; an upstream portion designed to expand to have at least one dimension wider than a native heart valve annulus; a downstream portion attached to the upstream portion, the downstream portion also designed to expand to have at least a portion with at least one dimension wider than the native heart valve annulus;...