(b)(6).The device has been reported as discarded, therefore no product investigation can be performed, and the customer complaint cannot be confirmed.A manufacturing record evaluation was performed for the finished device 30410083m number, and no internal action related to the complaint was found during the review.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 patient (male, (b)(6)) underwent cardiac ablation procedure for paroxysmal atrial fibrillation (paroxysmal supraventricular tachycardia) with thermocool® smart touch® sf bi-directional navigation catheter and suffered atrioventricular block requiring no intervention.The physician¿s commented that it was not an atrioventricular block created by a product defect.As of (b)(6) 2020 no pacemaker has been implanted, but a pacemaker may be implanted in the future.The event occurred post-use of biosense webster products.A day after the procedure, complete av block was discovered.But any medical or surgical intervention was not required and the hospitalization was extended for few days.The physician considered the cause of av block was not related to the biosense webster catheter.The patient¿s condition has improved.The patient had already been discharged from the hospital, and although there were no problems with riding a bicycle, etc., the patient reported that the patient had palpitations symptoms when going up the stairs.The ablation procedure was completed without any products problem.Since this event may be life threatening; might result in permanent impairment of a body function or permanent damage to a body structure; or required medical or surgical intervention to preclude permanent impairment of a body function or permanent damage to a body structure it is mdr reportable.
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