ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,848, issued on July 28, was assigned to CyndRx LLC (Brentwood, Tenn.).

"Vessel sealing device" was invented by John I. Shipp (Jacksonville, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seal assembly that seals opening in the wall of a blood vessel has a first sealing element for placing inside the lumen of the blood vessel and to engage the interior wall surface, a shaft integrally formed with the first sealing element and fixed in a predetermined configuration relative to the first sealing element, an outer floating element slidingly movable along the shaft; and a second sealing element, the second sealing element slidingly movable relativ...