Figure 4 - Biller's tube supraglottic laryngoplasty for supraglottic closure.

a: Incision along lateral border of epiglottis marked out. b: Mucosal flaps elevated. c: Closure of deep layer of mucosal flaps. d: Final closure with small opening at superior aspect of tube to allow for phonation. (Source: Pletcher and Eisele.⁵⁸, with permission)