Event summary: as reported, prior to a ureteroscopy the basket was found bent and would not function normally.It is unknown how the procedure was completed.The patient did not experience any adverse effects due to this occurrence.Investigation ¿ evaluation: a visual inspection of the returned device was conducted.A document-based investigation was also performed including a review of complaint history, device history record, and manufacturing instructions.A device failure analysis was conducted on the returned device.The investigator made the following notation: device was returned in unopened packaging.Visual examination noted that the basket has come loose from the internal packaging tray.Basket sheath is bent in multiple places inside the packaging.A review of the device history record (dhr) found no non-conformances related to the reported failure mode.Because there are no related non-conformances, adequate inspection activities have been established, there is objective evidence that the dhr was fully executed, and no other related complaints from the lot have been received from the field, it was concluded that there is no evidence that nonconforming product exists in house or in field.A review of complaint history records shows no other complaints associated with the complaint device lot.Device returned in an unopened pouch.The basket sheath had come free from the circular portion of the clamshell tray that normally holds it in place.The basket sheath was bent in multiple locations as a result.There were two likely causes for the observed issue: the clamshell tray was not properly closed during manufacturing, or the tray opened as a result of forces encountered during shipping.The was not enough evidence / information to make a conclusive determination of the cause.Per the quality engineering risk assessment, no further action is warranted.Cook medical 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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