The product was discarded, therefore no product failure analysis can be conducted and device malfunction cannot be confirmed.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.A manufacturing record evaluation was performed for the finished device with lot number 30262388m, and no internal actions related to the reported complaint condition were identified.Manufacturer's ref.# (b)(4).
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It was reported that a (b)(6)-year-old male patient underwent an atrial fibrillation (afib) ablation procedure with a thermocool® smart touch® sf bi-directional navigation catheter and suffered cardiac tamponade requiring pericardiocentesis.During the procedure, during the ablation phase, the patient had a drop in blood pressure which prompted review on ultrasound.Cardiac tamponade was confirmed on intracardiac echocardiogram.A pericardiocentesis was performed and 260cc of fluid was removed.The patient was reported to be in stable condition post intervention.Patient was then transferred to coronary care unit (ccu) for overnight monitoring.He also had another echocardiogram performed in ccu to ensure effusion was cleared.The patient¿s condition has improved.Prior to the procedure, the patient had a small effusion and the physician decided to proceed with the procedure.The physician is unsure on the causality of the event; however, they didn¿t think the ablation catheter was the cause.A transseptal puncture was performed with a brk-1 transseptal needle xs 71.Ablation was performed prior to discovering the cardiac tamponade.There was no evidence of steam pop during the procedure.High flow settings were used during the event.There were no any error messages observed on biosense webster equipment during the procedure.
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