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Main commercially available SGA devices without separated gastric channel (1st generation). (a) LMA Classic, (b) LMA Flexible, (c) LM Solus, (d) LM Portex Soft Seal, (e) LM AuraOnce, (f) Cobra PLA, (g) LMA Fastrach, (h) LM Aura-i, and (i) air-Q intubating laryngeal airway. Last three devices are designated as conduits for tracheal intubation.
