The product was not returned for investigation therefore the reported failure mode was not confirmed.The failure mode will be monitored for future reoccurrence.The complaint will be closed without a detailed investigation report and based on probable root cause.In the event that the device is received, the complaint will be reopened and the investigation will be updated with the new results.Probable root cause for the reported failure involving this device could have been caused by: laser welding seal failure, distal window solder failure, user error, damage to optical train, damage to needle, damage to distal or proximal windows, contact with shaver or other instrument, moisture intrusion , improper/third party repair.In sum, the reported failure could not be confirmed since the device was not received at stryker endoscopy for investigation.
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