ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,499, issued on Sept. 23, was assigned to UNIVERSITY HOSPITALS CLEVELAND MEDICAL CENTER (Cleveland).

"Endoscopic multifunctional accessory channel device" was invented by Steve Schomisch (Cleveland), Jeffrey Marks (Cleveland), Ryan Juza (Cleveland) and Amitabh Chak (Cleveland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multifunctional accessory channel device is disclosed. The device comprises a tube, a proximal adapter for attachment of the tube to a control section of an endoscope, and a distal adapter for attachment of the tube at or near a distal tip of an endoscope. The tube has a slit that is reversibly locally openable along the length a...