Gastroscopes, also known as endoscopes or digestive scoping devices, are medical instruments used to examine a patient's digestive tract. These devices consist of a flexible tube with a tiny camera and light on the end, which allow doctors to view the inside of the digestive system on a monitor. Synonyms for gastroscopes include colonoscopes, duodenoscopes, esophagoscopes, and sigmoidoscopes. Each of these specialized scopes is designed for specific areas of the digestive tract, allowing doctors to diagnose and treat a range of conditions such as ulcers, tumors, and inflammatory bowel disease. These advanced tools have revolutionized the field of gastroenterology and have improved patient outcomes through early detection and treatment.