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Blank fields on this form indicate the information is unknown, unchanged, or unavailable.Summary of event: as reported, before an unknown procedure an unknown hair-like particle was found inside the sterile packaging of a flexor raabe guiding sheath.Investigation evaluation: reviews of the complaint history, device history record, documentation, instructions for use (ifu), manufacturing instructions, and quality control procedures were conducted during the investigation.A visual inspection of the complaint device was also conducted.The complaint device was returned to cook for evaluation.Physical examination of the returned device found a dark strand (hair like fiber) free floating in the peel pouch.A document-based investigation evaluation was performed.No related non-conformances were found, and there have been no other reported complaints for this lot number.As 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 lot related complaints have been received from the field, it was concluded that there is no evidence that nonconforming product exists in-house or in the field.The product ifu instructs the user not to use the device if there is doubt as to whether it is sterile and to inspect the product upon removal from the package.Cook has concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.Based on the information provided and the results of the investigation, cook has concluded that a manufacturing and quality control deficiency contributed to this incident.However, as there are no other complaints on the lot or non-conformances, the incident was most likely isolated to a single unit.The risk analysis for this failure mode was reviewed and no additional escalation was required.The appropriate personnel have been notified and cook will continue to monitor for similar events.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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