Investigation: as of the date of this report the complaint product was not provided for investigation.Therefore, a thorough investigation is not possible.Batch history review: the device quality and manufacturing history records (dhr) have been checked for all leading device(s) lot numbers and the products found to be according to our specification valid at the time of production.There are no similar complaints against the same lot number(s).The review of risk assessment revealed that the overall risk level (severity 3(5) x probability of occurrence 2(5)) according to din en iso 14971 is still acceptable.Conclusion/measures: based upon the investigation results a clear root cause cannot be drawn.There is no indication for a material-, manufacturing- or design-related failure.If the device is returned in the future, an investigation will again be completed at that time.Based upon the investigation results, a capa is not necessary.
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