The customer reported that the phaco handpiece had occlusion indications.There was no reported patient impact.The company service representative examined the system, with the system performing as intended.The system was then tested and met all product specifications.The phaco handpiece serial number (s/n) was not provided and could not be determined based on the information provided.Therefore, manufacturing information could not be obtained.With no additional, phaco handpiece related information provided, the customer reported event could not be confirmed.The customer did not retain the cassette pak finished goods lot number; the device history record (dhr) and lot number history could not be reviewed.The root cause cannot be determined conclusively.The manufacturer internal reference number is: (b)(4).
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