Chronic Obstructive Pulmonary Disease (COPD)is continuously increased globally, COPD is characterized by persistent airflow limitation that is usually progressive and associated with an enhanced chronic inflammatory response in the airways and the lung to noxious particles or gases.

Oxygen Therapy  is generally for treating the following diseases associated with hypoxemia & hypoxia:

• Chronic Obstructive Pulmonary Disease (COPD)
• Neurodegenerative disease
• Cardiac failure
• Cancer
• Preterm infant
• Other respiratory failure