Abstract: There is described a urological device comprising one or more valves within a valve housing, external to the body when in use, with means for connection to an in-dwelling catheter and a means for connection to a urine collection device for the reduction of Catheter Associated Urinary Tract Infections (CAUTI's), the valve characterised by having a higher opening pressure than closing pressure, and the urological device having one or more valves movable from a closed position to an open position in response to applied urological/intra-abdominal pressure; and wherein the device is provided with a vent to prevent siphoning action from the urine collection device; and wherein the valve has a region of coaption and the number of valves is varied to provide opening pressures matched to one or more intra-abdominal pressures in one or more patient groups.