(b)(4).It was reported that a catheter sensor error was displayed on the carto 3 system and points could not be taken.The catheter cable was replaced and the issue remained.The catheter was not replaced and the case was continued.The returned device was visually inspected upon receipt and ring #1 and ring #14 were found squashed folded over and sharp.The catheter outer diameters were measured and it was found within specifications.Catheter was introduced in an ifu recommended sheath and no resistance was noticed during this procedure.Further information received indicates that the electrode damage was found while removing the catheter; and that 7.5 french sheath was used during the procedure.The ifu indicates that an 8 french sheath is recommended, this might contributed to the electrode damage.The catheter was evaluated for eeprom, carto 3 and sensor functionality.The catheter was recognized by carto 3 system, no error messages were displayed and the catheter was properly visualized.Eeprom data demonstrates the catheter was properly calibrated during manufacturing.The device history record (dhr) was reviewed and no anomalies were found related to this complaint.In addition, the dhr review verifies that the device was manufactured in accordance with documented specification and procedures.The customer complaint cannot be confirmed.
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