| Nasogastric intubation | |
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 A man with a nasogastric feeding tube through which feed and medicine can be delivered to the stomach using either a pump or gravity |
Nasogastric intubation is a medical process involving the insertion of a plastic tube (nasogastric tube or NG tube) through the nose, down the esophagus, and down into the stomach. Orogastric intubation is a similar process involving the insertion of a plastic tube (orogastric tube) through the mouth.[1] Abraham Louis Levin invented the NG tube. Nasogastric tube is also known as Ryle's tube in Commonwealth countries, after John Alfred Ryle.
- ^ "Nutrition support for adults: oral nutrition support, enteral tube feeding and parenteral nutrition". NICE. August 2017. Retrieved 30 January 2018.