Investigation: as of the date of this report the complant product was not provided for investigation.Therefore, a thorough investigation is not possible.Batch history review: due to the fact that no lot number was provided, a review of the device history records for the complained device is not possible.The review of risk assessment revealed that the overall risk level (6(10)severity x 2(10)probability of occurrence) according to din en iso 14971 is still acceptable.Explanation and rationale: based on the provided information and without a product for investigation, a clear conclusion cannot be drawn.Furthermore, there is no lot number available.Therefore, a review of the device history records must remain incomplete.According to the statistical analysis, there is no indication for a systematical product or manufacturing failure.Conclusion and root cause: a clear root cause conclusion cannot be drawn due to the non-availability of important information and the device itself.Corrective action: a capa is not necessary.
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