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Investigation evaluation: reviews of complaint history, device history record, manufacturing instructions, quality control data, and the instructions for use (ifu) were conducted during the investigation.The complaint device was not returned; therefore, no physical examinations could be performed.The complaint device was not returned; therefore, no physical examinations could be performed; however, a document based investigation evaluation was performed.There is no evidence to suggest the product was not made to specifications.A review of the device history record found no non-conformances related to the reported failure mode.A review of complaint history records shows three other complaints associated with the complaint device lot.The other three cases are related to the same failure mode, but due to the individual nature of the manufacturing and inspection processes for the devices in this lot, it is unlikely that these events are an indication of an issue with the entire lot.The instructions for use (ifu), provides the following information to the user related to the reported failure mode: how supplied: upon removal from the package, inspect the product to ensure no damage has occurred.A review of relevant manufacturing documents was conducted.It was concluded that the device aspect in question was visually/functionally inspected by quality control and no related gaps in production or processing controls were noted.The complainant did not return the complaint device for investigation.At the time of the complaint investigation, all products in this lot have been distributed to customers, so no representative product was available from the lot for evaluation.The complaint was confirmed based on the customer¿s testimony.The cause of the issue is unknown.Per the quality engineering risk assessment, no further action is warranted.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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