No device was received for analysis at the time of submission of the initial 3500a.Since the product was not returned for analysis, no product failure analysis can be conducted and no determination of possible contributing factors could be made.As such the investigation will be closed.If the complaint device is received in the future we will reopen the complaint and perform the investigation as appropriate.A manufacturing record evaluation was performed for the finished device 30269866m number, and no internal actions related to the complaint was found during the review.Manufacturer's ref.# (b)(4).
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It was reported that a male patient underwent a paroxysmal atrial fibrillation ablation procedure with a thermocool® smart touch® sf bi-directional navigation catheter and suffered cardiac arrest and cardiac tamponade requiring pericardiocentesis.At the end of the procedure, a cardiac tamponade was noticed as the patient's blood pressure dropped.The cardiac tamponade was confirmed by a transthoracic echocardiogram.Cardiopulmonary resuscitation, pericardiocentesis was performed in which over 3000cc of fluid was removed and fresh frozen plasma was given.The patient was reported to be in stable condition post intervention.It is unknown if extended hospitalization was required.Physician¿s opinion on the cause of the event was that it was procedure related.A cardiac tamponade was performed with a baylis device.Ablation was performed prior to discovering the cardiac tamponade.There was no evidence of a steam pop during the procedure.Flow setting was 8 ml/min or 15 ml/min.There were no error messages observed on biosense webster equipment during the procedure.
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