The device in this report has not been returned to omsc for evaluation.The exact cause of the reported event could not be conclusively determined, because the device has not been returned to olympus medical systems corp.(omsc).However, there is possibility that the reported event was caused by the following; an object was fallen on the lid.The effect of repeating pushing more than necessary when closing the lid.Mechanical stress when closing the lid and stress corrosion cracking (solvent cracking) caused by not wiping off chemical substances (detergents, chemicals, etc.) dropped on the lid.Some other factor.Device history record (dhr) review indicates that the product was manufactured and tested in accordance with all applicable procedures and met all final product release criteria.If additional information becomes available, this report will be supplemented.
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