It was reported that a 2.75x48mm xience xpedition stent was implanted, and the stent was noted to be shorter than labeled length.The stent was explanted with a snare, and a non-abbott stent was used to successfully complete the procedure.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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The device was returned for analysis.The reported defective device - undersized was unable to be 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 from this lot.As the reported defective device - undersized was unable to be confirmed, it is possible that user perception/inaccurate measuring under fluoroscopy may have resulted in difficulties visualizing the stent; however this could not be confirmed.The investigation determined a conclusive cause for the reported difficulties cannot be determined.The noted distal tip damages (bent, kinked, stretched) likely occurred due to handling or during packing for return analysis.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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