Device investigation details: 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 31134248l number, and no internal action related to the complaint was found during the review.This report is being submitted pursuant to the provisions of 21 cfr, part 803.This report may be based on information which has not been investigated or verified prior to the required reporting date.This report does not reflect a conclusion by biosense webster inc., or its employees that the report constitutes an admission that the product, biosense webster inc., or its employees caused or contributed to the potential event described in this report.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.If additional information is received regarding this event, a supplemental 3500a report will be submitted to the fda.Manufacturer's ref.# (b)(4).
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It was reported a patient underwent an atrial fibrillation (afib) ablation procedure with a thermocool® smart touch® sf bi-directional navigation catheter and the patient experienced cardiac tamponade treated with a pericardiocentesis.Transseptal puncture was performed by radiofrequency (rf) needle.During pulmonary vein isolation (pvi) after left pulmonary vein (lpv) isolation, blood pressure decreased.When pericardial fluid was confirmed by echocardiography, a pericardial effusion was observed.Blood pressure increased after drainage.Right pulmonary vein (rpv) isolation was performed afterwards, and the procedure was completed.No steam pops have been confirmed.Patient has fully recovered and prognosis was favorable.Physician¿s opinion on the cause of this adverse event is that it was procedure related.During brockenbrough method (bb), anatomical structures were difficult to see and several attempts to puncture was made, which may have caused damaged.
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