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Investigation - evaluation: a review of documentation including the complaint history, device history record (dhr), drawing, instructions for use (ifu), manufacturing instructions (mi), and quality control, as well as a visual inspection of the returned device was conducted during the investigation.One damaged zenith flex with spiral-z technology aaa endovascular graft iliac leg device was returned for investigation.Upon visual inspection, biomatter was noticed on the tip as well as the grey pusher.The extension tube was partially separated at the junction between the extension tube and the valve chamber.No other damage was noted.The complaint was able to be confirmed based on physical evaluation of the returned device as well as customer testimony.There is no evidence to suggest that product was manufactured out of specification.Additionally, a document-based investigation evaluation was completed.There is no evidence to suggest the product was not made to specifications as cook has concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.A review of the device history record for the complaint lot (9362308) found no non-conformances.A database search also revealed this to be the only reported event associated with the complaint lot.This is a one device lot, meaning that there are no other potentially non-conforming products distributed.Furthermore, cook has concluded that there is no evidence that nonconforming product exists in house or in field.Cook also reviewed product labeling.The product instructions for use (ifu) (b)(4) states the following in consideration of the reported failure mode: "9 how supplied: the product is sterile if the package is unopened and undamaged.Inspect the device and packaging to verify that no damage has occurred as result of shipping.Do not use this device if damage has occurred or if the sterilization barrier has been damaged or broken.If damage has occurred, do not use the product and return to cook.10.2 inspection prior to use: inspect the device and packaging to verify that no damage has occurred as a result of shipping.Do not use this device if damage has occurred or if the sterilization barrier has been damaged or broken.If damage has occurred, do not use the product and return to cook.11.1 zenith spiral-z aaa iliac leg system: 11.1.1 contralateral iliac leg preparation/flush a.If applicable, remove gray-hubbed inner stylet (from the inner cannula) and dilator tip protector (from the dilator tip).Remove peel-away sheath from back of the hemostatic valve.(fig.3) elevate distal tip of system and flush through the stopcock on the hemostatic valve until fluid emerges from the flushing groove near the tip of the introducer sheath.(fig.4) continue to inject a full 20 cc of flushing solution through the device.Discontinue injection and close stopcock on the connecting tube." based on the information provided, inspection of the returned device, and the results of our investigation, a definitive root cause could not be established.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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