Silicone Foley Catheter
A Foley catheter is a thin, flexible and sterile tube which is passed through the urethra into the urinary bladder. Urine drains from the bladder into a bag which is attached to one of the lumens of the catheter. The urinary catheter is held in its place with a balloon at one end which is filled with sterile water. A drainage system thus consists of the cathedral tube for urine transfer and a urine collection bag. It is an indwelling catheter (it remains in the body for a considerable amount of time).