Device analysis: the original guide wire was discarded and not returned to csi.A second wire from the same lot number was returned by the facility.Analysis of the returned wire did not reveal any issues or abnormalities with the wire.The material inspection report for this guide wire 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.At the conclusion of the investigation, the root cause of the event could not be determined.(b)(4).
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It was reported that during a peripheral orbital atherectomy procedure, the tip of a csi viperwire guide wire broke off and was left in the patient.The target lesion was located in the superficial femoral artery (sfa).The physician had completed atherectomy and removed the device and guide wire from the patient.The tip of the wire was unknowingly left in the patient, but later, the patient experienced thrombus and clotting issues and was admitted to the icu.At that point, it was realized that the tip of the wire had been left in the patient.The tip of the wire was snared from the patient and the patient was treated with thrombolytic therapy.The original guide wire was discarded.Additional information was requested, but none has yet been received.
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