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 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, mildly tortuous left circumflex lesion that was 95% stenosed.After pre-dilatation, the 2.25x18mm rx everlink stent delivery system (sds) failed to cross the lesion due to the anatomy or stent (it was not specified by the physician).The stent dislodged while withdrawing the sds.An attempt was made to snare the stent but was unsuccessful.Therefore, the stent was embedded in healthy tissue.A clinically significant delay was reported.There was no adverse patient sequela reported.No additional information was provided.
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