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Investigation ¿ evaluation: a visual inspection and tensile testing of unused returned product was performed.In addition, a documentation investigation was performed which included a review of complaint history, the device history record, instructions for use, manufacturing instructions, quality control data, and specifications.The complaint device was not returned for investigation.However, twenty (20) unopened devices of the same lot as the complaint device were returned.Three (3) of these unopened devices were tensile tested and each passed the testing.The device history record was reviewed and noted there were no non-conformances related to the reported failure mode.A review of complaint history revealed there has been no other complaint associated with the complaint device lot number (8196052).Based on the investigation evaluation, there is no indication that a design or process related failure mode contributed to this event.Current controls for manufacturing are in place to assure functionality and device integrity prior to shipping.Review of production and quality documentation did not observe any specific issues with current manufacturing or quality controls that may have contributed to this incident.Without visual, dimensional, and/or functional testing of the actual complaint device, we are unable to determine the likely cause for this event.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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