The device evaluation found; the ceramic tip of the tube was broken.Based on the results of the investigation, it is likely that the following led to the malfunction: thermo-mechanical fatigue.Wear and tear.Improper handling (impact, shock).As a general note, cracks on the insulation material are mostly not visible, making visual inspection difficult.Worn o-rings: the cause is very likely wear and tear.A device history review revealed no issues that could have caused or contributed to the reported issue.This issue is addressed in the instructions for use (ifu): "infection control risk: properly reprocess the product before first and each subsequent use following the instructions in this manual and in the system guide endoscopy.Improper and/or incomplete reprocessing can cause infection of the patient and/or medical personnel.4.1 inspection and testing; inspecting the product: visually inspect the product.Make sure that it has: 1.No corrosion.2.No dents.3.Scratches.Ceramic insulation at distal end: visually inspect the ceramic insulation at the sheath¿s distal end before each use.Do not use the instrument in case of damage (e.G.Cracks, fractures).Risk of injury: impact, fall, shock, or similar stress can damage the ceramic insulation at the sheath¿s distal end.Damaged instruments can cause injuries to the patient and/or user.Do not use the instrument if damaged".Damaged product: if the product is damaged or does not function properly, contact an olympus representative or an authorized service center.¿ olympus will continue to monitor the field performance of this device.Should additional relevant information become available, a supplemental report will be submitted.
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