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(a) Trans-oral application for intraluminal access to upper airways with the 5-needle expandable electrode (20° of divergence); (b) CT transversal sections in the 3 deployments (2 cm, 3 cm, 4 cm); (c) Volume rendering with central needle exposure of 4 cm and peripheral needles not exposed, and below MIP and Volume rendering, with central needle exposure of 4 cm, and peripheral needle exposure for 3 cm and for 4 cm, respectively.
