In a first aspect the invention is an endoscopic device in which the empty spaces between the plurality of tubes, wires, and cables are utilized as a channel that enables liquid or gas to flow from the handle section to the distal tip. In a second aspect the invention is a method of reducing the diameter of an endoscope device by utilizing the empty spaces between the plurality of tubes, wires, and cables as a channel that enables liquid or gas to flow from the handle section to the distal tip. In a third aspect the invention is a distal tip comprising a pattern of alternating grooves and lands on its outer surface and a cap that fits tightly over the lands. The tight fitting cap changes the grooves into closed channels through which liquid or gas can flow.
