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Blade shapes of various videolaryngoscopes. (a) Storz C-MAC videolaryngoscope (Macintosh type); (b) Storz D-Blade videolaryngoscope (angulated type); (c) Glidescope videolaryngoscope (angulated type); (d) McGrath series 5 videolaryngoscope (angulated type); (e) UEscope (angulated type); (f) Pentax-airway scope (guided-channel type).
