(b)(4).Evaluation summary: the device was returned for evaluation and the reported stent movement was not confirmed.The reported failure to advance could not be confirmed as it was based on case circumstances.Based on visual and dimensional analysis of the returned device, there is no indication of a product quality issue with respect to manufacture, design, or labeling.The investigation determined that the reported failure to advance and stent damage is related to case circumstances.A review of the lot history record revealed no non-conformances.A query of the electronic complaint handling database revealed no other incidents reported from this lot.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design, or labeling.
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