Visual investigation: unfortunately we only received the cardboard- box, the sealing- label and the implant.An analysis of these parts does not make sense with regard to the claimed defect.We did not received the inner and the outer blister, most likely the root causes for the described problem.Batch history review: the device quality and manufacturing history records (dhr) have been checked for all available 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) with this error pattern.The current failure rate is within the risk analysis and therefore acceptable.Conclusion and measures / preventive measures: on the basis of the current information and the investigation results, a clear conclusion can not be drawn.Because the component causing the problem (blister / blisters) was / were not included, a failure analysis and a definitive root cause determination is not possible.
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