During an atrial fibrillation procedure, it was reported that after ablating with the thermocool sf nav bi-directional catheter, the temperatures displayed on the stockert 70 rf generator were low.The redel cable from the generator to the patient unit interface (piu) was replaced, as well as the ablation cable and the issue remained.The catheter was replaced and the problem was resolved.The procedure was completed with the same equipment.There were no patient consequences.On (b)(4), received additional information requested from bwi representative confirming that the drop occurred when ablating was being performed.During the setup, the catheter was properly selected.On the carto, stockert as well as in the ep recording system, the temperature was always available and correct.The catheter replaced that resolve the issue was an identical type of device.As per the current and available information, this event became reportable due to a low temperature being displayed while performing ablation.
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