As the lot number for the devices were not provided, a lot history review could not be performed.The samples were not returned to the manufacturer for inspection/evaluation; however; medical records were received for both the malfunctions.Therefore, the investigation is confirmed for the reported migration, malposition of device and patient device interaction problem for one malfunction and for another malfunction it is confirmed for patient device interaction problem and it is inconclusive for migration and malposition of device.Based on the available information, the definitive root cause for this event is unknown.The devices are labeled for single use.
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