The device was not returned for analysis.The device history record (dhr) for this product could not be reviewed because the product was not returned for evaluation and the part and lot numbers were not reported.Based on the case information, there was no conclusive cause(s) for the reported patient effects, and their respective relationship to the product, if any, that could be determined.There is no indication of a product quality issue with respect to manufacture, design or labeling; therefore, no corrective action is required.
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