There is more information on the device evaluation.This supplemental report is being submitted to provide this information.The reported issue of the device was cracks in the lid.The device history record review confirmed that device conformed to specifications when shipped.The device was not repaired in the past year.Design nor structure of the device contributed to the event.Per field service engineer who went on-site, the cracked lid appears as if somebody place something between the lid and rim of the basin and cracked a side section of the plastic hood.From past investigations, such cracks were brittle fracture.Possible cause was stress on the lid by something stuck between the lid and retaining rack/washing case.It is not uncommon that in some user facilities, connecting tube is kept connecting to the reprocessor, and left on reprocessing basin.The metal part of connecting tube causes breakage of the lid for the lid is closed with the connecting tube left in the basin.Lid closed while connecting tube is placed on the basin.Lid closed while something hard, such as a scope, is placed on the retaining rack.Lid closed while washing case being placed obliquely at the retaining rack.The instructions for use includes the following statements: reprocessing operations.When closing the lid, be careful not to get the connecting tube caught between the reprocessing basin and lid and make sure the endoscopes and the washing case are not touching the lid.Close the lid after ensuring that the cover of the washing case is closed.If the endoscopes and the washing case are touching the lid, adjust their positions and close the lid.If the lid is closed while contacting the endoscopes or accessories such as the washing case and the connecting tubes, the endoscopes, the accessories and the equipment may get damaged or water leakage may result.
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