It is an air gap that allows air to escape rather than building up in the pipe and creating an air hammer within the pipes (banging noise), and problems with drainage. (think about pouring out of a can that doesnt have the second hole punched in it.
Suction Therapy : Suction therapy is provided to assist in the removal of bronchial secretions that cannot be expectorated by the patient spontaneously. Suct...
Medical Therapy. Medical therapy is the first-line approach to the treatment of turbinate dysfunction; however, the appropriate choice of therapy relies on the appropriate diagnosis. Several categories of medications are available that have an effect on the turbinate mucosa and affect patients' symptoms.