“How PEG Tube Surgery is Done: Life-Saving Feeding Tube Explained! A PEG Tube — short for Percutaneous Endoscopic Gastrostomy — is a medical procedure that helps patients who can’t eat or swallow safely get nutrition directly into their stomach. ✅ The doctor uses an endoscope (a flexible camera tube) to guide placement. ✅ A small incision is made in the abdomen. ✅ The feeding tube is inserted into the stomach through the skin. ✅ The tube allows liquid food and medicine to go directly to the stom