A method for promoting vesical mucosa epithelium dilatation andor healing vesical mucosa of a patient’s bladder, comprising: administering to the inside of the patient’s bladder a solution comprising hyaluronic acid andor a pharmaceutically acceptable salt thereof in an amount of more than 0. An apparatus comprises a first panel having one or more contacts in a pre-selected arrangement. A response associated with the computed S_hat filter is compared to a predetermined response that is stored in the device. A cover is movably mounted on the tray for movement between a first closed position enclosing the tray and an article mounted thereon and a second, open position wherein the cover is spaced from the tray to expose substantially all of the tray for article loading and unloading. The long embedded capacitor is formed through an insulating layer, making a high capacitance and various capacitance designs possible.