(b)(4).The device was not returned; therefore, no definitive conclusion can be drawn regarding the clinical observation.Based on the reported information, there is no evidence suggesting that the device was defective, but rather a procedure related event.
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Medtronic received information that the pipeline flex migrated while attempting reaccess the device.It was reported that device was placed at least 2-3 mm past the distal edge of the aneurysm and initially looked like it was covered, but when the physician did a run after deployment, it didn't have the minimum neck coverage.The physician attempted several times to reaccess the device, but was unsuccessful and in doing so caused the device to move proximally and not completely cover the neck of the aneurysm.Another device was deployed.There was flow in the internal carotid artery and the physician decided to stop treatment at this time.No patient complications were reported, patient is doing well.
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