#$%^&*AU2015218452A120150910.pdf#####ABSTRACT A catheter assembly includes an expandable device that is disposed at a distal end of a catheter and expandable toward a fully deployed outer dimension. A fiber extends from the catheter and is releasably coupled to a side wall of the expandable device near or at an end of the expandable device to maintain an inner curvature of the expandable device as the expandable device is deployed. 6834553_1 (GHMatters) P93474.AU.1 ELENAS8/10 104 504 FIG. 5 502 503 104 102 504 500 FIG. 6 502 503 104 102 504 .500 O 1 FIG. 7 502 503 104 102 504 50 512 FIG. 8