On (b)(6) 2017, a gore® viabahn® endoprosthesis (vbc081502/15424301) was to be implanted in the hepatic portal vein in tips procedure.It was reported that a resistance was felt after initiating deployment, the deployment line was stuck in the first layer of zipper and the deployment could not be continued.The endoprosthesis was still constrained.The viabahn device was retracted slowly out of the patient.After retraction, the device was observed being broken at the transition bond of catheter, the distal shaft being constrained with endoprosthesis was detached but still connected by the deployment line.The procedure was completed by using a new 8 mm x 10 cm viabahn® device.
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