The vast majority of children who get GJ feeding tubes begin with G-tubes; it is rare for a GJ-tube to be placed initially. Most GJ-tubes have separate ports to access both the stomach (G-port) and the small intestine (J-port), though some tubes, often called Transjejunal (TJ) tubes, only allow access to the small intestine.
Jejunal (J) Tubes. It is sometimes necessary to place a separate J-tube that has a stoma directly to the intestine. This is not usually an initial feeding tube placement for a child. In many cases, a J-tube is placed because anatomical issues prevent using a GJ-tube, or a GJ-tube will not stay in place.
A Jejunostomy tube, also called a J-tube, is inserted into the jejunum through the abdomen. J-tubes are used to provide nutrients to those who cannot ingest properly. How J-tubes work. The purpose of a J-tube is to bypass the stomach and allow nutrients to enter the intestinal tract directly.
Home / Tube Feeding Basics / Tube Types / Nasal Tubes (NG, ND, NJ) Nasal tubes are non-surgical and temporary tubes placed through the nose and into the stomach or intestine. The choice between nasogastric (NG), nasoduodenal (ND), and nasojejunal (NJ) tubes depends on whether your child can tolerate feeding into the stomach or not.
Nasogastric and nasoenteric tubes are flexible double or single lumen tubes that are passed proximally from the nose distally into the stomach or small bowel. Enteric tubes that will be removed within a short period of time can also be passed through the mouth (orogastric).