The results of the investigation are inconclusive since the reported device was not returned for analysis.Based on the information received, the cause of the reported event could not be conclusively determined.The device history record for this oad lot number has been reviewed.No issues or discrepancies were noted during this review that would have contributed to the reported event.The device met material, assembly, and quality control requirements.(b)(4).
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A stealth peripheral orbital atherectomy device (oad) was used in the right superficial femoral artery (sfa).The target lesion was 2.5cm long, and was treated with six (6) passes on low speed and two (2) passes on medium speed.After the second pass on medium speed, the patient experienced pain above the knee.A vessel spasm was observed on imaging below the treatment area.Prostaglandin was administered, and the physician waited two minutes before continuing.Two (2) additional treatment passes on medium speed were performed with the oad.Balloon angioplasty was performed.Angiography of the treatment area showed a good treatment result; however, imaging below the knee showed closure of all runoff vessels.An embolization aspiration system was used, the vessel was opened, and the patient was heparinized.Two days after the procedure, the patient had recovered, and had circulation to the foot.
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