The dilation balloon catheter is usually composed of balloon, dilating tube, catheter, etc. The utility model is a medical interventional device, whose main function is to treat the stenosis and expansion of the upper digestive tract. Dilation balloon catheter has the characteristics of high safety, small trauma, fast recovery and low cost, and is easily accepted by patients and their families. So what should be paid attention to when using the dilation balloon catheter? Here are the details.