A collapsible catheter is provided for irrigation or aspiration of the urinary bladder with fluid. The catheter consists of a collapsible hollow elastomeric tube which is open at the proximal end. The distal end portion has at least one stiffened aperture. A plurality of channels are provided along the length of the tube which contain removable wires or rods which stiffen the tube for insertion into the bladder. A balloon means is provided to hold the catheter in place.
