H10: manufacturing review: the lot history records have been reviewed and this lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.Investigation summary: the physical sample was not available; x-ray images were provided documenting the placed covered stent including flow obstruction.However, an indication for an irregular placement or a defect of the placed stent could not be found.An indication for a device relation of the flow obstruction could not be determined.Therefore, the investigation of this issue is closed with inconclusive result.Based on the information available a definite root cause for the event reported could not be determined.Labeling review: in reviewing the relevant labeling for this product, it was found that the instructions for use (ifu) sufficiently address the potential issue.Regarding pre- and post- dilation, the ifu state: 'pre-dilate the stenosis with a pta balloon catheter of appropriate length and diameter for the lesion to be treated' and 'post dilate the covered stent with an angioplasty balloon sized appropriately as to ensure complete wall apposition to the reference vessel.' the ifu further state 'potential complications may include, but are not limited to: thrombotic occlusion, restenosis requiring reintervention (.)'.Holding and handling of the system throughout deployment was found sufficiently described.H11:section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.
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