A visual inspection was performed on the returned device.The reported material deformation and observed stent dislodgement/dislocation was confirmed.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents.The investigation was unable to determine a conclusive cause for the reported material deformation or observed stent dislodgement/dislocation.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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