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 was unable to determine a conclusive cause for the reported stent shortening and the difficulties deploying.Based on the information reviewed, 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 lesion in the non-tortuous, mildly calcified popliteal artery.A 5x40mm supera self-expanding stent system (sess) was advanced to the lesion, but it failed to completely deploy the stent.To fully deploy the stent, the sess was pulled back, but this caused the stent to be deployed partially in the intended popliteal artery.The deployed stent was shortened, and the patient is fine.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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