No product has been returned, but a video was provided which shows the reported problem.A retain sample of the same batch was investigated.No deviation or abnormalities were detected during visual inspection.A leakage test and a zeroing functional test were carried out and passed.No deviation could be detected.A review of the dhr could not identify any non conformities or deviations relevant to the reported issue.No further complaints have been received for this batch.No similar complaints were received within the last 12 months.Investigation has been performed as far as possible, but the real root cause could not be determined.It can be concluded that a systematic weakness of production or design is regarded as unlikely due to the absence of a trend.As the customer reported that the issue has been detected during unpacking it cannot be excluded that a single error during production led to this issue.It is not known if a handling error during use occurred.This evaluation indicates that the device failed to meet its specification.However, the concerned product has not been returned for further investigation.Upon the event occurrence the device was involved and used on a patient for advanced hemodynamic monitoring.No trend has been identified, the trend rate is below <0,01 %.The issue will be further monitored on the market in order to identify trends.H3 other text : device was discarded by the hospital.
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