Olympus 290 Series Coilpipe Assembly The Coilpipe Assembly is a compatible replacement component designed for Olympus 290 Series flexible endoscopes. It is supplied for endoscope repair and refurbishment, helping service centers and hospitals restore equipment to reliable working condition at a controlled cost. Key Features Exact Fit : Engineered to match the original mounting points of the endoscope. Durable Material : Made of stainless steel for long service life.