During a pulmonary vein isolation procedure, the catheter was removed from the patient and the outer casing was observed to be separated.Approximately three hours into the procedure the catheter wasn't deflection normally and it was difficult to maneuver throughout the left atrium, so it was removed from the patient.Upon removal it was observed that the outer casing was separated exposing the inside of the catheter.The catheter was replaced and the procedure was completed with no adverse consequences to the patient.
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Additional information: device available for evaluation, date rec¿d by mfr, type of report, if follow-up, what type?, device evaluated by mfr, event problem and evaluation codes.The reported deflection issue was confirmed.The catheter deflected when actuating the steering mechanism; however, the catheter did not deflect in the correct shape according to specifications, due to the kinked spring body and fractured shaft.The device history record was reviewed to ensure that each manufacturing and inspection operation was performed.The cause of the kinked spring body and fractured shaft is consistent with damage during use.
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