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It was reported that one end of a stent from a universa firm ureteral stent set was fractured.During an insertion of the ureteral stent procedure, the user noted one end of the stent had a fracture prior to use.Another similar-like device was used to complete the procedure.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.
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Blank fields on this form indicate the information is unknown, unavailable, or unchanged.Correction: d4.Investigation ¿ evaluation: it was reported that one end of a stent from a universa firm ureteral stent set was fractured.During an insertion of the ureteral stent procedure, the user noted one end of the stent had a fracture prior to use.Another similar-like device was used to complete the procedure.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.Reviews of documentation including the complaint history, device history record (dhr), quality control procedures, manufacturing instructions (mi), and instructions for use (ifu), as well as a visual inspection of the returned device, were conducted during the investigation.One stent was returned to cook for evaluation.Upon visual inspection, it was noted the proximal coil was torn 1.5cm from the proximal tip at the side port and the tether was not returned.Cook has concluded that the device was manufactured to specification.Additionally, a document-based investigation evaluation was performed.A review of the device master record (dmr) concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.A review of the dhrs for the reported complaint device lot and the related subassembly lots revealed no recorded non-conformances relevant to the failure mode.A complaint history search identified no other events reported for the related failure mode.Based on the available information, cook has concluded that there is no evidence suggesting nonconforming product exists either in house or in the field.Cook also reviewed product labeling.The ifu packaged with the device contains the following in relation to the reported failure mode: ¿precautions: do not force components during removal or replacement.Individual variations of interaction between stents and the urinary system are unpredictable.How supplied: upon removal from package, inspect the product to ensure no damage has occurred.¿ based on the information provided, inspection of the returned device, and the results of the investigation, a potential root cause for this event could not be established.The appropriate personnel have been notified.Cook will continue to monitor for similar complaints.Per the risk assessment no further action is required.This report is required by the fda under 21 cfr part 803 and is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement contained herein is intended to be an admission that any cook device is defective or malfunctioned, that a death or serious injury occurred, nor that any cook device caused, contributed to, or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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