COOK Medical Zenith Fenestrated AAA Instructions For Use Manual page 35

8. Deploy the suprarenal stent by advancing the top cap inner cannula 1
to 2 mm at a time while controlling the position of the proximal body
until the top stent is fully deployed (Figures 69 and 70). Advance the
top cap cannula an additional 1 to 2 cm and then retighten the pin vise
(Figure 71) to avoid contact with the deployed suprarenal stent.
NOTE: Care should be taken during removal to not disturb the guide sheath
and wire guide(s), which remain in the target vessel(s).
9. a) If there are multiple fenestrations (Section 13.1, 1), deflate the
balloon then withdraw it leaving the wire guide in place. Advance
the access sheath and aligning stent, which was removed to
facilitate the molding balloon, back over the wire guide, through the
fenestration and into the respective vessel. (Figure 72)
b) If there is a single fenestration (Section 13.1, 1a), then the molding
balloon and wire guide can be safely removed.
NOTE: Care should be taken during removal to not disturb the guide sheath
and wire guide(s), which remain in the target vessel(s).
WARNING: The Zenith Fenestrated AAA Endovascular Graft
incorporates a suprarenal stent with fixation barbs. Exercise extreme
caution when manipulating interventional devices in the region of the
suprarenal stent.
10. Return to Section 10.1.6, Docking of Top Cap.
NOTE: Check to make sure that all trigger-wires are removed prior to
withdrawal of the delivery system.
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