ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,472, issued on Aug. 11, was assigned to YOKOWO Co. LTD. (Tokyo) and FUKUDA DENSHI Co. LTD. (Tokyo).

"Cautery puncture needle" was invented by Koichi Sakai (Tokyo), Junya Maeda (Tokyo), Mineta Suzuki (Tokyo) and Yasuhiro Shirakawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cautery puncture needle includes a pipe portion. The pipe portion has a first bent portion located on a distal end side of the pipe portion and a second bent portion located on a proximal end side of the pipe portion. A curvature radius of an arc of the first bent portion is equal to or larger than a curvature radius of an arc of the second bent portion and a length of...