Product Composition Disposable Silicone Foley Catheter is divided into two chambers and three chambers. A two-lumen urinary catheter consists of a main lumen and a side lumen. The main chamber includes a discharge chamber, a side hole, and a tapered interface; the side chamber is an inflation chamber, one end is connected to the balloon, and the other end is an inflation tapered interface, connected with a check valve; pediatric products are equipped with stainless steel guide wires. A three-lumen urinary catheter consists of a main chamber, a side chamber and an irrigation chamber. The main chamber includes a discharge chamber, a side hole, and a tapered interface; the side chamber is an inflation chamber, one end is connected to the balloon, and the other end is an inflation tapered interface, connected with a check valve; the flushing chamber is equipped with a flushing tapered interface. Intended Use: It is used in medical institutions for catheterization of clinical patients. The three-chamber type also has the function of flushing the bladder.