The following was reported to gore: on (b)(6) 2021 a patient presented with an iliac artery aneurysm and underwent treatment which included use of a gore® viabahn® vbx balloon expandable endoprosthesis (vbx) device.The surgeon intended to use the vbx device in conjunction with a gore® excluder® iliac branch endoprosthesis (ibe) device in the right internal/external iliac artery gate.While attempting to position the device, the vbx device dislodged from the balloon inside of the patient.The device could not be moved, so it was left undeployed where it dislodged.It was reported that the device may have caught on the edge of the ibe device or on the front edge of the sheath while pulling back in an attempt to place the device, causing dislodgement.The procedure was completed without further issue by coiling the internal iliac artery and placing devices over the vbx device.The patient tolerated the procedure.It was also reported that the 12fr gore® dryseal flex introducer sheath had not been completely extended into the internal iliac artery to provide protection for the vbx device.
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