ALEXANDRIA, Va., July 9 -- United States Patent no. 12,349,931, issued on July 8, was assigned to Highway 1 Medical Inc. (San Mateo, Calif.).

"Devices for retrieving an obstruction in a bodily duct of a patient" was invented by Vera Shinsky (Mountain View, Calif.) and Scott Wilson (Woodside, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for capturing and removing an obstruction in a bodily duct of a patient. The device includes a cylindrical body having a circumference and a longitudinal axis. According to some implementations the cylindrical body is comprised of a plurality of closed cell structures arranged in diagonal rows around the longitudinal axis. At least some of closed cell structu...