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Investigation ¿ evaluation.A review of the dimensional verification, inspection of unused product, complaint history, device history record, drawing, instructions for use (ifu), manufactures instructions, quality control, and a visual inspection of the returned device was conducted during the investigation.The visual inspection of the returned device confirmed that all forty of the device sets from the affected lot were returned for investigation.One was opened and prior to use, the other 39 were unused and unopened.The devices were visually examined and red j-inserters and red colored connectors were noted in all 40 packages.The devices were opened and all 40 wire guides were measured with calipers to confirm their diameters, all measurements were within specification.However, the specifications also noted that purple colored materials are to be used when packaging.035 wire guides, not red.Additionally, a document based investigation evaluation was performed.There is evidence to suggest the product was not made to specifications.A review of the device history record showed no nonconforming events which could contribute to this failure mode.It should be noted there were no other reported complaints for this lot number.Furthermore, a review of the manufactures instructions and quality control procedures was conducted, and no gaps were discovered.Based on the information provided, the examination of the returned product, and the results of our investigation, a definitive root cause could not be traced to manufacturing.As such, retraining of the prepping and final packaging head and middle operators has been completed.We will continue our monitoring of similar complaints and have notified the appropriate personnel of this event.Per the quality engineering risk assessment no further action is required.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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