ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,961, issued on April 7, was assigned to Olympus Medical Systems Corp. (Tokyo).
"Endoscope system and suction unit" was invented by Soichiro Shimizu (Kawasaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An endoscope system includes an endoscope and a suction unit. The endoscope includes an insertion portion configured to be inserted into a subject, an operation portion provided on a proximal end side of the insertion portion, and an angle knob provided on the operation portion for operating the bending portion; and an opening provided in the operation portion, wherein the opening is connected to a lumen provided in the endoscope. The suctio...