The device has been reported as discarded, therefore no product investigation can be performed, and the customer complaint cannot be confirmed.Manufacturing record evaluation (mre) cannot be conducted because no lot number was provided by the customer.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's reference number: (b)(4).
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It was reported that a female patient with history of atrial fibrillation (afib) underwent an afibablation procedure with a thermocool® smart touch® sf bi-directional navigation catheter and suffered pulmonary vein stenosis requiring surgical intervention.During the procedure, no bwi product malfunctions nor immediate patient consequences were reported.During a routine follow-up the physician does after ep ablation procedures, the patient had a computerized tomography (ct) scan.It was found in the ct scan the patient¿s left pulmonary vein was severely stenosed.The physician stated he felt he ablated too deep in the inferior left vein ostium, which may have caused the stenosis.Patient is stable and is feeling great and asymptomatic.No intervention was yet being performed, but the patient will be referred for pulmonary vein stent per physician¿s recommendation.Patient¿s condition had improved.Prolonged hospitalization was not required.The caller stated the physician usually does a follow-up ct scan three months after having an ep ablation procedure.
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