(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device is expected to be returned for investigation.It has not yet been received.A follow-up report will be submitted with all additional relevant information.
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Internal file number - (b)(4).Evaluation summary: visual analysis was performed on the returned device.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this event.The reported patient effect of thrombosis is listed in the emboshield nav 6 instruction for use as a known potential patient effect associated with carotid stents and embolic protection systems.Based on the case information and related record review, a conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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