ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,875, issued on Dec. 30, was assigned to Olympus Medical Systems Corp. (Tokyo).

"Endoscope and endoscope system" was invented by Hidetoshi Saito (Hanno, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An endoscope comprises an insertion portion including a distal end portion having a longitudinal axis. The distal end portion includes an inner surface forming a recess, a first channel extending in a first direction and configured to receive a treatment instrument, the first channel including a first opening disposed at the inner surface of the recess, a raising base disposed in the recess and configured to direct a distal end of the treatment ins...