A product evaluation was completed.The reported event of inflation difficulties was confirmed.As received, the spring tip was stretched.Balloon was found to be ruptured at central area.Balloon edges did not match at the ruptured region.Per the ifu, balloon rupture and catheter separation as a result of excessive pull force applied to remove adherent material are the most frequent causes of reported failures and to minimize the risk of vessel damage, balloon rupture, or tip detachment, do not exceed the maximum recommended inflation and pull force for each size catheter.No other visible damage was observed from the catheter body and windings.Through lumen was patent without any leakage or occlusion.Further evaluation regarding related quality issues is under investigation.A device history record review was completed and documented that device met all specifications upon distribution.Complaint histories for all reported events are reviewed against trending control limits on a monthly basis and any excursions above the control limits are assessed and documented as a part of the monthly review.
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