Catheter control device

A control device 41 preferably for a urinary catheter 2 includes an inlet port 11, an outlet port 12 connected with a urine collection receptacle 13, a flow conduit 14 and a normally closed valve 15, responsive to a timer 17 and optionally a pressure sensor 21 to open and close the valve. The pressure sensor may override the timer to open the valve 15. The bladder drainage and refill periods as set by the timer may be reprogrammable via interface 33. The device may also include a pH sensor 44, a flow meter 45, a manual overrride switch 35 to open the valve and a data transmission output interface.