Nasal cannulas provide comfort to patients, with precise levels of oxygen as prescribed by the doctor, it has an anatomical fit, as it is developed according to the facial anatomy, consequently, the cannula provides greater comfort, promoting greater acceptance of the patient's treatment. The unique design helps to reduce skin irritability compared to others offered in the market. It is indicated to assist in the adequate supply of oxygen to the patient by decreasing the work of breathing and reducing the stress on the myocardium. Oxygen is delivered directly into the nasal passages to make up for oxygen deficits.