Urinary catheters comprising a tube having an opening at the distal end, and at least one catheter eye that is to be positioned in the bladder, the tube comprising at least one wall region that can be inflated or filled relative to a wall region of the tube. The catheters can be used as permanent catheters that are retained securely in the bladder and completely empty said bladder. The urinary catheter consists of a plurality of layers that are applied in succession and are made of a rubber-like material. The wall region is at least one wall region of the tube, the wall region being at least two mutually separate layers made of the rubber-like material of the wall region. A component of the wall of the tube is at least one channel for inflating or filling or cleaning the wall region, so that the tube is integral.
