Distribution history: a distribution history record review was not possible for this product as the product lot number was not provided for investigation manufacturing record review: a dhr review was not possible as a lot number was not provided.Incoming inspection review: incoming inspection record review not applicable to this product.Service history record : service history record not applicable to this product.Historical complaint review: a review of the 2-year complaint history showed similar reported complaint conditions, however in those cases the complaint condition was not confirmed.Product receipt: the complaint product has not been returned to coopersurgical.Visual evaluation: evaluation of the complaint product could not be completed as the complaint product has not been returned to coopersurgical.If the product should be returned at a later date, it will be evaluated, and any findings will be appended to this investigation.Functional evaluation: evaluation of the complaint product could not be completed as the complaint product has not been returned to coopersurgical.Root cause: no definitive root cause for this issue could be reliably determined at this time, as the product was not returned for evaluation.It should be noted that the ifu of the device states that: using the sizer, determine the proper size of koh-efficient.A possible root cause of the failure may be attributed to the kc-sizer not being used as noted in the follow-up e-mail.Coopersurgical will continue to monitor this complaint condition for trends.No further corrective action is necessary, as the root cause cannot be reliably determined with the information provided.
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