ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,161, issued on July 15, was assigned to Boston Scientific Scimed Inc. (Maple Grove, Minn.).

"Systems and devices for an endoscope tubeless working channel" was invented by Ryan Cahill (Scituate, Mass.), Earl McAllister (Needham, Mass.) and Alexander Joseph Burnham (Southbury, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An endoscopic device has a handle including an adapter, a shaft connected to the handle, and one or more wires within the handle. The adapter defines one or more openings in a side or proximal end of the adapter. The shaft has a plurality of lumens extending from a proximal end of the shaft to a distal end of the shaft. A fir...