The following information was reported to gore: on (b)(6) 2020, the patient underwent treatment of a popliteal aneurysm using gore® viabahn® endoprosthesis.During deployment of the viabahn the deployment line broke leaving a portion of the device constrained.It was reported as the delivery system was removed from the patient the stent graft completely expanded.However, a portion of the deployment line was left in the patient.The physician stated the suspected cause of the deployment line break is unknown.The patient tolerated the procedure.
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Engineering evaluation task was performed and the results are: the deployment knob, deployment line, and delivery catheter were returned.The deployment line appeared to be broken and was returned in two sections.The first section was attached to the deployment knob and measured approximately 155 cm with a 10 cm single fiber at the end of the line, see returned sample image (2).The second section measured approximately 24 cm with a 65 cm single fiber at one of the ends, see returned sample image (3).The delivery catheter was unremarkable.Engineering evaluation conclusion(s) are: deployment line broken.Based on the device examination performed, no manufacturing anomalies were identified to which the event could be definitively attributed.
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