LMA generation | Examples |
1st Generation (Only one port) – Only Tracheal lumen – No Esophageal lumen | • Classic LMA • Flexible / Flexometallic LMA: – It doesn’t block after bending – use for prone position surgery when Sx duration is short. • Cobra PLA (peri laryngeal airway) • Ambu aura 40 LMA |
2nd Generation Two port- – Tracheal lumen – Esophageal lumen (pass Ryles tubes) | (Mnemonic: i am Super Pro) • i gel: – No cuff – No balloon – made of Silicon – Temperature regulated LMA • Ambu gain • Supreme LMA: made of PVC • Proseal LMA (PYQ: INICET May 2024) |
3rd Generation | • i-gel plus • Baska mask: High seal pressure |
