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Investigation ¿ evaluation: a review of the device history record, documentation, manufacturing instructions, specifications, drawing, quality control, and a visual inspection and functional evaluation of the returned device were conducted during the investigation.The visual inspection of the returned device confirmed the return of 6 cm of catheter and 7mm of wire which extended past the end of the catheter portion.An additional length of wire was also returned separated from the other pieces of the device.A functional test of the device noted no leaks under pressure.The difficulty experienced by the customer could not be recreated in the laboratory.Additionally, 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 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.Based on the information provided, the examination of the returned product, and the results of our investigation, a definitive root cause could not be determined.Per the quality engineering risk assessment, no further action is required.Cook medical has notified the appropriate personnel and will continue to monitor this device via the complaints database for similar complaints.
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