Pulmonary Disease COPD (KOL) is, according to the World Health Organization, the fourth leading cause of death worldwide and its prevalence is increasing. Of the more than 200 million people suffering from COPD 3 million dies annually. In Sweden, 500,000 to 700,000 people are affected. The ADT instrument is unique and patent is pending. In time, the method has the potential to revolutionize the diagnosis possibilities for the lung disease COPD and thus slow down the disease progression of millions of people worldwide.