方法:用DLY-A型晶体管音频电疗仪,导线富有弹性,外包有良好的绝缘物,电极板为8×3厘米四角呈圆形的铜板,用曲别针与导线连接。用两层湿纱布包于铜板外层,放在皮损部位,并与皮肤紧密接触,通 Methods: With DLY-A transistor audio electrotherapy instrument, the wire was flexible and covered with good insulation. The electrode plate was a round copper plate with 8 × 3 cm corners and was connected with a wire by a paper clip. Two layers of wet gauze wrapped in the outer layer of copper, on the lesion site, and in close contact with the skin, through