(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).Date of event has been estimated.The device was not returned for analysis.It should be noted that the rx acculink instruction for use states: the rx acculink carotid stent system, used in conjunction with the abbott vascular embolic protection system specified below, is indicated for the treatment of patients at high and standard risk for adverse events from carotid endarterectomy who require carotid revascularization.The investigation was unable to determine a cause for the reported difficulty.The lot history record (lhr) for this product could not be reviewed and a similar incident query could not be performed because the product was not returned for evaluation and the lot number was not reported.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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