ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,104, issued on June 23, was assigned to Edwards Lifesciences Corp. (Irvine, Calif.).

"Surgical pads and spacers" was invented by Jingjia Han (Irvine, Calif.), Austin Engelbrecht (Trabuco Canyon, Calif.), Yin Fang (Irvine, Calif.), Hui-Chi Yang (Irvine, Calif.), Felino V. Cortez Jr. (Bowie, Md.), Megan Cortez (Costa Mesa, Calif.) and Luke Anthony Zanetti (Parkton, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A surgical pad can comprise a flexible pad portion configured to be positioned over an opening in a target tissue. A plurality of elongate ribs can be distributed across a surface of the flexible pad portion oriented away from the target ti...