The reported event was confirmed, however the cause was unknown.The ureteral stent was returned with the opened original packaging.The distal pigtail on the stent appeared to be abnormal.The outer diameter of the stent measured 0.0621" with a laser micrometer.The outer diameter of the proximal pigtail was measured at 0.5870 using an electronic caliper, the outer diameter of the distal pigtail measured 0.7265" with an electronic caliper, the overall length was measured at 258 mm; the measurement for the outer diameter of the distal pigtail was out of specifications.Unable to determine when or how the pigtail uncoiled; therefore, this event will be confirmed cause unknown.Though a specific cause cannot be determined, a potential root cause for this event could be, "user does not handle with care." as no patient involvement was reported the device was not used, however, it is intended for treatment purposes.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: "avoid improper handling of stent such as bending, kinking, tearing, etc.Misuse could damage the overall integrity of the stent." h11: section a through f - the information provided by bd represents all 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.H3 other text : the actual/suspected device was inspected.
|