The device was not returned for analysis.The lot history record (lhr) for this product could not be reviewed and a similar complaint query could not be performed because the product was not returned for evaluation and the part and lot numbers were not reported.In this case, there was no reported device malfunction associated with the pressurewire.The reported patient effect of vascular dissection is listed in the pressurewire instruction for use as a known potential complication which may be encountered during all catheterization procedures.In this case, 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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