ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,670, issued on June 16, was assigned to Edwards Lifesciences Corp. (Irvine, Calif.).

"Transcatheter heart valve delivery systems and methods" was invented by Nikolay Gurovich (Hadera, Israel), Michael Bukin (Pardes Hanna, Israel), Elena Sherman (Pardes Hana, Israel) and Alexey Tsypenyuk (Draper, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prosthetic heart valve and delivery device for delivering the prosthetic heart valve to a target implantation site, which reduce contact between the prosthetic heart valve and a delivery sheath through which the delivery device is advanced to the target implantation site, is disclosed. As one example, a p...