A pressure controller that relieves ear discomfort during takeoff and landing.
The feeling of comfort varies from person to person, and it is impossible to predict even every time.By changing the pressure mode through the pressure device, the oropharyngeal tube can be alleviated when taking off and landing.
The device allows the oropharyngeal tube to be opened smoothly in the right direction. It also relieves ear discomfort and takes off and descends.