Updated d4, d9: udi, date of device returned to manufacturer.Updated e2: health professional.Updated h6: codes.Based upon investigation results, this event was re-evaluated and is considered no longer reportable due to risk file - no malfunction or serious injury.Investigation results: visual investigation: the products arrived in a decontaminated condition with whitish-gray corrosion.The investigation was carried out visually and microscopically.Here we detected a whitish gray corrosion of the product.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 (severity 2(5) x probability of occurrence 2(5)) according to din en iso 14971 is still acceptable.Conclusion and measures / preventive measures: based upon the investigation results a clear root cause conclusion cannot be drawn.There is no indication for a material-, manufacturing- or design-related failure.Based upon the investigations results a product safety case (psc) was initiated.Any action regarding capa will be addressed with this case.
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