Anaesthesia OSCE 1- Laryngoscopes

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Identify Precisely -Laryngoscope handles and blades. 

A, Size 4 Miller blade. 

B, Size 4 McIntosh blade. 

C, Size 2 Miller blade. 

D, Size 1 McIntosh blade. 

E, Laryngoscope handle with size 00 Miller blade in unlocked position. 

F, Laryngoscope handle with size 3 McIntosh blade in locked position 

(note that the light turns on when the blade is locked).


Mention the use of above instrument - 

Laryngoscopes used to increase the visibility of the larynx while placing an ET tube

What are the parts of a Laryngoscope -

  • Handle containing batteries
  • Blade to depress tongue and epiglottis
  • Light source to illuminate the throat

Sizes of the laryngoscopes 

  • Small animal 0 to 5
  • Large animal up to 18-inch blade

Types of laryngoscopes 

  • Miller blades
  • McIntosh blades





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