ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,861, issued on July 28, was assigned to OLYMPUS MEDICAL SYSTEMS CORP. (Tokyo).

"Clip unit, clip delivery device, and clip release method" was invented by Shoichiro Kawayoke (Hino, Japan) and Yoshimi Kuroda (Funabashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A clip unit for a treatment tool is disclosed herein. The clip unit comprising a first arm that includes a first rotation portion, the first arm rotating around the first rotation portion as a center of rotation. The clip unit further comprising a second arm that includes a second rotation portion that is connected to the first rotation portion, the second arm rotating around the sec...