An electronic device includes an accepting connection terminal to which a connection cable can be connected, and a rotation inhibiting member that inhibits the connection cable from rotating an amount equal to or greater than a predetermined amount around the accepting connection terminal in a state where the connection cable is connected to the accepting connection terminal. Tree stands that provide 360 platforms are also described. A first terminal of a capacitor is connected to an input terminal of the control circuit. Each of the rail members has a main body, a through hole, and a rod. The invention also provides procedures for administering the compositions to a patient who is afflicted with osteoarthritis.