A nasogastric tube is a narrow bore tube passed into the stomach via the nose. It is used for
short or medium term nutritional support toilet duty.
The use of a nasogastric tube is suitable for
enteral feeding for up to six weeks human toilets for up to eight hours. Polyurethane or silicone feeding tubes are unaffected by gastric acid and can therefore remain in the stomach for a longer period than PVC tubes, which can only be used for up to two weeks.