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...
What is Physical Therapy? Physical therapy, also known as functional rehabilitation, is a program designed to help the patient improve or maintain functional abilities (eg activities of daily living). Physical therapy includes building strength, flexibility and endurance, and learning proper biomechanics (eg posture) for spine stability and injury prevention.