👉 Endoscope, also known as a gastroscope, is an instrument used for examining the digestive tract. It consists of a long tube that is inserted into the mouth and passed through the esophagus to the stomach. The tube allows the surgeon or healthcare provider to visualize the contents inside the body by inserting it deeper into the gastrointestinal system. Endoscopes have become increasingly popular in recent years due to their ability to provide detailed images of the digestive tract, making them useful for diagnosing conditions such as