After three treatments of a non-tortuous, highly calcified, 90% stenosed lesion in the mid posterior tibia (pt) via contralateral femoral approach using stealth 360 peripheral orbital atherectomy device (oad), the radiopaque crown was observed to be not moving or spinning.Upon oad removal, the crown was found detached, but still on the driveshaft.Once all material was accounted for and confirmed retrieved, the treatment was completed with no further issues.The patient was stable.
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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.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.Csi id: (b)(4).
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