ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,169, issued on Jan. 13, was assigned to OLYMPUS Corp. (Tokyo).

"Lesion resection method" was invented by Tatsuya Higuchi (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a full thickness resection using a medical stapler, when preprocessing of the resection, one may cauterize the peripheral tissues of the lesion site and perform the marking with a high-frequency treatment device to determine a guide of a region for the resection. However, when a planar marking is formed by cauterizing the peripheral tissues by a high-frequency treatment device, it may be difficult to visually recognize the marking in an endoscopic visual field.A le...