(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device was not returned for analysis.Based on the reported information, the inaccurate delivery was due to case circumstances.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history of the reported lot revealed no other similar incidents.The investigation determined the reported difficulty was due to case circumstances.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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