The customer provided four potential lot numbers for this incident.The information for each lot number is as follows: medical device lot #: 6141428, medical device expiration date: 5/31/2021, device manufacture date: 5/20/2016.Medical device lot #: 6053154, medical device expiration date: 2/28/2021, device manufacture date: 2/22/2016.Medical device lot #: 5354408, medical device expiration date: 12/31/2020, device manufacture date: 12/20/2015.Medical device lot #: 6113190, medical device expiration date: 4/30/2021, device manufacture date: 4/22/2016.Date of event: unknown.The date received by manufacturer has been used for this field.A device evaluation is anticipated, but has not yet begun.Upon completion of the investigation, a supplemental report will be filed.(b)(4).
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Results: six unused samples in sealed packages were returned for evaluation.A visual inspection of all units revealed no abnormalities.A review of the device history records for the potential lot numbers 6141428, 6053154, 5354408, and 6113190 revealed no irregularities during the manufacturing process.A manufacturing review revealed no abnormalities with preventative maintenance, calibration, or equipment that could have influenced the customer's reported issue.Conclusion: an absolute root cause for this incident cannot be determined as bd was not able to duplicate or confirm the customer¿s indicated failure mode.
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