This report is being supplemented to provide additional information based on the legal manufacturer's final investigation and customer follow-up.B5 - updated with information received from the customer.H4 - the manufacturing month/year of lot 09va is september, 2020.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the investigation results, the specific root cause of the needles failing to inject could not be determined at this time as the device was not returned for evaluation.Replication testing was completed and unable to replicate the issue.The following information is stated in the instructions for use: -straighten out the instrument before inspecting it.The instrument can be damaged if it is coiled while the handle is operated.-operate the slider slowly, otherwise the tube could buckle.-when inserting the instrument into the endoscope, retract the needle into the sheath, hold the instrument close to the biopsy valve, and keep it as straight as possible relative to the biopsy valve.Otherwise, the instrument could be damaged.-insert the instrument slowly.Abrupt insertion could damage the endoscope and/or instrument.-stop using the instrument if the insertion portion bends excessively during use.This could result in malfunction, such as failing to extend the needle or inject a fluid.Olympus will continue to monitor field performance for this device.
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