The reported event was confirmed however the cause was unknown.A ureteral stent has been returned.The pigtail was found to be disconnected from the rest of the stent.The stent was found to be broken at the location of the beginning port hole of the pig tail.A potential root cause could be due to "material selection".The device history record was reviewed and found nothing that could have caused or contributed to the reported event.The instructions for use were found adequate and state the following: "improper handling technique can seriously weaken the stent.Acute bending or overstressing during placement could result in subsequent separation of the stent at the point of stress after a prolonged indwelling period." h11:section a through f - the information provided by bd represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bd.
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