The device was not returned for analysis.
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 similar incidents from this lot.
The investigation determined the reported difficulties appear to be related to circumstances of the procedure.
There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure was performed to treat a moderately calcified, non-tortuous proximal left anterior descending (lad) artery.
The 3.
0x12mm xience sierra stent was deployed at 14atm.
A non-abbott nc balloon was then delivered to the stent for post dilatation, but the stent moved to the middle portion of the lad before inflation.
The stent was apposed to healthy tissue.
A new 3.
5x12mm xience sierra stent was deployed in the proximal lad.
There was no adverse patient sequela reported.
No additional information was provided.
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