ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,959, issued on April 7, was assigned to Olympus Medical Systems Corp. (Tokyo).
"Endoscope treatment tool" was invented by Hiromasa Kato (Tokyo), Yusuke Shiota (Machida, Japan) and Kotaro Yamada (Tachikawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An endoscope treatment tool includes a sheath and an incision device. The sheath includes a distal end portion having a first channel. The first channel extends internal to the distal end portion between a distal opening at a distal end surface of the distal end portion and a proximal opening at a main flow chamber. The incision device is inserted in the first channel and includes a second chann...