Investigation ¿ evaluation.It was reported that foreign matter was noted in an enk oxygen flow modulator set (c-efms-100) from lot 10245408.Cook became aware of this event on (b)(6) 2021 upon being notified by (b)(6) hospital.The fiber was noted in inventory and the device was not used.Reviews of the complaint history, device history record (dhr), instructions for use (ifu), and quality control were conducted during the investigation.The complaint device was not returned to cook for investigation.However, photos were provided showing a dark fiber within the packaging which suggests that the device was manufactured out of 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 dhr for the reported complaint device lot revealed no recorded non-conformances relevant to the failure mode.A database search did not identify any other events associated with the reported device lot.Additionally, four other device lots leaving quality control within two weeks of the complaint lot were reviewed and no complaints or nonconformances were noted from these lots.Based on the available information, cook has concluded that there is no evidence suggesting nonconforming product exists either in house or in field.Cook also reviewed product labeling.The ifu supplied with the device states the following in consideration of the reported failure mode: how supplied: supplied sterilized by ethylene oxide gas in peel-open packages sterile if package is unopened or damaged.Do not use the product if there is doubt as to whether the product is sterile upon removal from package, inspect to ensure no damage has occurred.Based on the available information, no product returned, and the results of the investigation, cook has concluded that a manufacturing deficiency and quality control deficiency contributed to the failure mode.The appropriate personnel have been notified.Cook will continue to monitor for similar complaints.Per the quality engineering 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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