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.The manufacturing record evaluation (mre) cannot be conducted because no lot number was provided by the customer.Concomitant product: vizigo sheath; us catalog #: unknown; lot #: unknown.(b)(4).
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It was reported that a patient underwent an atrial fibrillation (afib) procedure with a thermocool® smart touch® sf bi-directional navigation catheter and developed thrombosis and thrombocytopenia requiring no medical interventions.During the procedure, after the physician gave heparin, he could see clots forming in the right atrium on intracardiac echo (ice).The patient tested positive for heparin induced thrombocytopenia and thrombosis (hitt), and the physician stopped giving heparin.The patient was reported to be in stable condition, no medical/surgical intervention was provided.They did not proceed with the left side.Reminder of the procedure was aborted.The biosense webster, inc.Products that were in use at the time of the event were a thermocool® smart touch® sf bi-directional navigation catheter and vizigo sheath.There is no information about the hospitalization.There¿s no information regarding the physician¿s causality opinion; however, this event has been reviewed with the biosense webster, inc.Medical safety officer and it was determined the issue was most likely procedure-related as that is the reason the patient received heparin.Not associated with biosense webster, inc.Products.Multiple attempts have been made to obtain clarification to this complaint.However, no further information has been made available.
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