On (b)(6) 2020, during a reintervention procedure on a previously implanted cook zenith device, a gore® dryseal 10fr sheath was used during an "up and over" procedure to implant a gore® excluder® iliac branch endoprosthesis device.After the device were implanted, resistance was felt during retraction of the gore® dryseal 10fr sheath.Much force was exerted to try to withdraw the sheath.Finally, the sheath withdrew, however, the leading olive became dislodged from the sheath and remained inside the patient.The physician retrieved the olive using a snare.There was no adverse outcome to the patient.Excessive tortuosity was also reported, but the physician does not believe tortuosity was an issue with retraction of the sheath.
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