What Is Cannula?
A cannula is a thin flexible tube inserted into the body to deliver or remove fluid or air. In home oxygen and HBOT contexts, a nasal cannula delivers oxygen through prongs in the nostrils.
Classification: Other › Cannula
Key Takeaway
Nasal cannulas are a simple, widely used medical interface. Comfortable fit and skin care around the prongs help with long-term use.
Why This Matters
Nasal cannulas are the most common method of delivering supplemental oxygen in home oxygen therapy, hospital settings, and some hyperbaric oxygen setups. They consist of a flexible tube with two prongs that sit just inside the nostrils, connected to an oxygen source like a concentrator or tank. Other kinds of cannulas are used in IV access, surgical procedures, and various medical applications. Long-term use of nasal cannulas can cause skin irritation and dryness, which is usually managed with water-based moisturizers and, if needed, alternative interfaces like masks.
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Frequently Asked Questions
What is a nasal cannula?
A thin flexible tube with two small prongs that sit in the nostrils, used to deliver supplemental oxygen from a concentrator or tank.
Is a nasal cannula comfortable?
Most people adjust quickly. Long-term use can cause skin irritation at the prongs and nose bridge, usually managed with water-based moisturizers.
What other types of cannulas exist?
IV cannulas for venous access, arterial cannulas, urinary cannulas, and specialized surgical cannulas for various procedures.
