The phrase "open airway" means to make sure that the path for breathing is clear and not blocked, so that a person can breathe easily and get enough oxygen.
Sentences with «open airway»
Supportive care to maintain open airways, assist breathing (if necessary, using ventilators) and maintain circulation are critical to survival, but are basic skills for any serious hospital. (politics.co.uk)
I was hesitant because my father complained about a sleep study he'd done once; his doctor prescribed an uncomfortable continuous positive airway pressure (CPAP) mask to correct his sleep apnea by opening his airway with pressurized air. (health.com)
Increased need for bronchodilators (medications that open airways by relaxing the surrounding muscles) (verywellhealth.com)