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Mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).A product sample was received for evaluation.One (1) sample was received without its original packaging inside a ziploc bag.Visual inspection was performed at 12 under normal conditions of illumination in order to detect any damage on the part.No damage could be detected.Sample was inflated with 5 cubic centimeter (cc) of air in order to see if there was any problem with the unit.When inflating the unit, it was seen that a part wasn't inflated uniformly.Stretch marks were found in cuff.According to the information for use, the cuff was manipulated and the whole cuff inflated.During the manipulation, the cuff was peeled off from the part where the stretch marks were found.The root cause for the reported issue was found to be excess of parylene in the unit.The following actions were taken.Per previous complaints, as correctly actions, 6 quartz where purchased to have a backup and to make sure they had the time to clean them well.Per previous complaint, procedure was being updated from revision 100 to revision 101 in order to include as part of the cleaning of the superslick, the cleaning of the rack that support the delring fixtures to prevent particulates on pieces.Changed was initiated.Per previous complaint, as mitigation an alert was generated to ensure that racks has to be clean of parylene fibers to avoid contaminations on the units.?as preventive action, production personnel was notified by area trainer as awareness of the defect reported by the customer.
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