Nasal Cannula/ Nasal Prongs Nasal cannula is a medical device which is used to increase airflow and deliver oxygen. Nasal cannulae are intended for use commonly by patients in the extended care, home and hospital environments. A nasal cannula consists of a tube that splits into two prongs on one end which are placed into the nostrils for mixture of air and oxygen to flow. The nasal cannula can be connected to an oxygen generator or a wall through a flow meter. Buy nasal cannula and nasal prongs at the best prices online in India on Smart Medical Buyer Smart Medical Buyer has a wide range of nasal cannula online from the most trusted brands. The easy search and ordering process and quick turnaround ensure a smooth and seamless experience. Smart Medical Buyer offers next day dispatch on nasal cannula. Smart Medical Buyerâ??s range of nasal cannula includes those from trusted brands like Romsons, Niscomed, Airways Surgicals, and Intersurgical.