* Usually we will use the URO SYSTEM with the Silicone Catheter, which is for leading urine during the operation; * Component: 1 Salver; 2 Gauzes 3"x3"; 1 Box of the gauze balls; 6 Gauze balls; 1 Blue butadiene- acrylonitrile gloves; 1 Prefilled syringe with 10%glycerin and 90% distilled water; 1 Empty syringe; 1 PVC forcep; 1 Waterproof towel paper 60x60cm; 1 White garbage bag 25x32cm.