The double-balloon enteroscopy is a special endoscopic procedure designed for the thorough examination of the small intestine. This method allows specialists to examine several meters of bowel segments, thereby assisting in diagnosis and identifying various bowel diseases. The technique is based on a special, long, and thin endoscope, which includes a sheath, also known as an overtube. Together, they form the double-balloon system, which is available in various sizes, but the most common version is 2000 mm long and 9.4 mm in diameter. The inflatable balloons at the end of the endoscope are intended to stabilize the instrument within the small intestine, ensuring an effective and safe examination. During the…