It was reported during an unknown procedure when the doctor introduced the filiform double pigtail ureteral stent, it did not work and did not form the curly and then it broke.The reporter stated, ¿possibility of an issue with the device¿.As reported, no additional procedures were required due to this occurrence.There were no adverse effects on the patient.Additional event, device and patient information has been requested but no new information has been provided at the time of this report.
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Method codes: 4114, device not returned.Conclusion codes: 4135, cause not established.Investigation: evaluation: the complaint device was not returned for an evaluation and no photograph or imaging was provided.Without the complaint device, a device failure analysis was unable to be performed.A document based investigation was conducted including a review of complaint history, the device history record, instructions for use, manufacturing instructions, and quality control data.The device history record was reviewed for lot number: 8421584 and noted there are no conformances that may have caused or contributed to this incident.A review of complaint history records revealed this is the only complaint associated with the complaint device lot number: 8421584.The manufacturing documents were also reviewed.The appropriate inspections were found to be in place for the material used to manufacture the stents and for the finished stents.Based on the available information, the cause of the complaint was not able to be established.Per the quality engineering risk assessment, no additional risk mitigating activity is required at this time.Cook medical has notified the appropriate personnel and will continue to monitor this device via the complaints database for similar complaints.This report is required by the fda under 21 cfr part 803.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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