(b)(4).The reported device was not received for investigation; therefore the reported failure cannot be confirmed.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, a full evaluation will be conducted, 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: system design, manufacturing / assembly error, use error, insufflator operated at least-favorable environmental conditions for extended period of time.Inlet/outlet gas connectors not connected properly.Insufflator accessories not connected properly.The product was not returned for investigation therefore the reported failure mode was not confirmed.The failure mode will be monitored for future reoccurrence.
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