(b)(4).A udi is not being reported because the part and lot numbers were not provided.The device was not returned for analysis.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 part and lot numbers were not reported.The investigation was unable to determine a conclusive cause for the reported difficulties as the products were not returned for analysis.Dissection and hemorrhage are listed in the omnilink elite instruction for use as potential adverse effects associated with the use of the device.However, it has not been confirmed at this time if the omnilink elite caused the dissection or if it was treating a dissection.Abbott vascular is aware of the failure mode of difficult to insert, and patient effects of dissection and hemorrhage; however a similarity regarding the root cause could not be identified.While a definitive cause cannot be determined in this incident, no product malfunction, failure or deterioration of characteristic or performance of the device or inadequacy in the labeling and/or instructions for use was identified.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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