ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,568, issued on Oct. 28, was assigned to Gravity Medical Technology Inc. (Lake Forest, Calif.).

"Methods and apparatus for restoring flow" was invented by Kunakorn Atchaneeyasakul (Pittsburgh), Ashutosh P. Jadhav (Paradise Valley, Ariz.) and Shashvat M. Desai (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and devices for removing an obstruction from a vessel include an elongate flexible shaft with an expandable capture cage coupled to the distal end of the elongate flexible shaft. The expandable capture cage has an expanded configuration and a collapsed configuration. The collapsed configuration is adapted to be delivered through the...