Table 1.
Type of SGA, manufacturers, material of SGA, difficulties encountered in securing to the chin and vertical projected heights
| Supraglottic airway | Manufacturer | Figure | Bite block | Material of device | Was it possible to secure the device to the chin? | Vertical projection (cm) |
|---|---|---|---|---|---|---|
| Ambu AuraFlex with corrugated connector | Ambu A/S, Ballerup, United Kingdom | A | No | Polyvinyl chloride | Yes | 3.4 |
| LMA Classic with straight corrugated connector | Teleflex Medical, Westmeath, Ireland | B | No | Silicone | Yes | 3.8 |
| LMA Proseal with angle connector | Teleflex Medical, Westmeath, Ireland | C1 | Yes | Silicone | Possible with difficulty | 4.5 |
| LMA ProSeal with corrugated connector | Teleflex Medical, Westmeath, Ireland | C2 | Yes | Silicone | Possible with difficulty | 5.9 |
| LMA Supreme with angle connector | Teleflex Medical, Westmeath, Ireland | D1 | Yes | Polyvinyl chloride | No | 9.5 |
| LMA Supreme with corrugated connector | Teleflex Medical, Westmeath, Ireland | D2 | Yes | Polyvinyl chloride | No | 9.8 |
| Ambu AuraGain with angle connector | Ambu A/S, Glen Burnie, Maryland, USA | E1 | Yes | Polyvinyl chloride | No | 9.9 |
| Ambu AuraGain with corrugated connector | Ambu A/S, Glen Burnie, Maryland, USA | E2 | Yes | Polyvinyl chloride | No | 11.6 |
| LMA Protector with angle connector | Teleflex Medical, Westmeath, Ireland | F1 | Yes | Silicone | No | 11.0 |
| LMA Protector with corrugated connector | Teleflex Medical, Westmeath, Ireland | F2 | Yes | Silicone | No | 12.0 |
| I-gel with angled connector | Intersurgical Ltd, Berkshire, United Kingdom | G1 | Yes | Styrene ethylene butadiene styrene | No | 11.8 |
| I-gel with straight corrugated connector | Intersurgical Ltd, Berkshire, United Kingdom | G2 | Yes | Styrene ethylene butadiene styrene | No | 13.1 |