It was reported that the procedure was to treat a moderately calcified, moderately tortuous left anterior descending artery (lad).A non-abbott guide wire was passed through the distal lad.The vessel was pre-dilated with 4.0x13mm scoring balloon.A 4.0x12mm xience proa stent was attempted to cross the lesion; however, the stent dislodged at the proximal lad.Therefore, two unspecified 1.25x15mm and 2.0x10mm balloons were used in an attempt to embed the dislodged the stent in the femoral artery.A 4.0x13mm non-abbott were used to complete the procedure.There was no clinically significant delay reported.No additional information was provided.
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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 and treatment 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.The xience proa device is currently not commercially available in the us; however, it is similar to a device sold in the us.
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