ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,765,871, issued on Oct. 20, was assigned to Olympus Medical Systems Corp. (Tokyo).

"Treatment tool for endoscope" was invented by Kotaro Yamada (Tachikawa, Japan), Yusuke Shiota (Machida, Japan) and Hiromasa Kato (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A treatment tool includes a sheath, a hollow pipe extending in the sheath and an elastically deformable constricting member. The hollow pipe includes a flow channel formed in a direction of a longitudinal axis of the hollow pipe and extending between a distal end of the hollow pipe and a proximal end of the hollow pipe. The elastically deformable constricting member includes a first end that...