(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: the device was returned for analysis.Visual, dimensional, and functional inspections were performed on the returned device.Stent damage and a tear in the guide wire exit notch were noted.Based on the limited information available, the investigation was unable to determine a conclusive cause for the noted damages.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot.Additionally, a review of the complaint history of the reported lot did not indicate a lot specific quality issue.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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