A Ryles Tube, also known as a nasogastric tube (NG tube), is a flexible tube that is inserted through the nose and down into the stomach. The "FG 16" refers to the French Gauge (FG) size of the tube. The French Gauge is a measure of the outer diameter of the tube. In the case of "Ryles Tube FG 16": 1. **Ryles Tube:** This indicates that it is a nasogastric tube designed for various purposes related to the stomach, such as feeding, drainage, or administering medications. 2. **FG 16:** French Gauge 16 means that the outer diameter of the tube is sized according to the French scale. The higher the French Gauge number, the larger the tube's diameter. FG 16 is a specific size, and it helps healthcare professionals choose the appropriate tube for the intended use. It's important to note that the specific use of the Ryles Tube FG 16 would depend on the medical requirements of the patient. These tubes are commonly used for: - **Enteral Feeding:** Delivering liquid nutrition directly to the stomach. - **Gastric Decompression:** Removing air or fluids from the stomach. - **Medication Administration:** Administering medications when oral intake is not possible. The insertion of an NG tube should be performed by trained healthcare professionals, and its usage is typically guided by a healthcare provider's prescription or orders. The French Gauge, in this context, is a standard measure to ensure the correct size and compatibility with medical devices and procedures.