Guedel Airways commonly known as Oropharyngeal , Oral Airway , OPA or Guedal Pattern Airway. It is a medical device which is used to maintain an unobstructed oro-pharyngeal airway. It does this by preventing the tongue from covering the epiglottis, which could prevent the person from breathing. When a person becomes unconscious, the muscles in their jaw relax and allow the tongue to obstruct the airway Bite blocks are fitted in the Airway to avoid airway occlusion and biting of tongue. Bite Blocks are colour coded for size identification. DESCO MEDICAL INDIA Oropharyngeal Airways comes in variety of sizes from infant to adult and are used commonly in hospital emergency care. Sizes:- 000, 00, 0, 1, 2, 3, 4, 5 Colours:- Pink, Blue, Black, White, Green, Yellow, Red and Sky Blue Color coded for easy size identification