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.Csi id: (b)(4).
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A stealth peripheral orbital atherectomy device (oad) was selected for treatment of a lesion in the popliteal artery via antegrade approach.Intravascular ultrasound was not performed prior to the procedure.The oad was operated on low and medium speed during treatment, and the distal popliteal artery became occluded with particulate.Balloon angioplasty was performed.A non-csi catheter and non-csi wire were inserted.The wire was advanced break up the particulate overload, and nitroglycerin was administered.When the patient was discharged, flow to the lower foot was normal.As of (b)(6) 2020 the patient was stable and well.In the opinion of the physician, there may have been mixed soft plaque in the hibernating portion of the vessel that was sent downstream during atherectomy, which could have caused the embolus.
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