Lyapko application device "Big Pad": a needle step - 7,0, size - 275 x 480 mm, quantity of needles - 2710. Makeup: iron, copper, nickel, zinc, silver, rubber of medical purposes. * Distinctive feature of "Pad" is its big area of influence and the greatest distance between needles. Thanks to these it has the increased efficiency of treatment. Lyapko application devices `Big Pad` is recommended for applications on the back, as a carpet under the feet (standing, sitting, lying down), on the stomach – for prevention and treatment of diseases of the digestive system and obesity. Lyapkos applicator " Big Pad" is also used as the prophylactic for strengthening and maintaining of health, increasing of working capacity, general vitality, normalizing a dream, mood, metabolism. The high medical efficiency is reached at the expense of arising of galvanic currents in skin, on edges and between needles. Lyapko application devices `Big Pad` in use are in contact with the skin without damaging it, and have no contact with blood. In hospitals after the session of applications they need to be disinfected in accordance with the Standards of disinfection of medical devices, they must be totally soaked in a disinfectant solution. Lyapko application device `Big Pad` can be disinfected by dry-cleaning detergent for products from medical rubber and non-corrosive metals. If Lyapko application devices are used individually, they need no disinfection. Hygienic care treatment involves periodic cleaning with cleanser (shampoo, liquid soap), with a brush, washing with running water and drying with a stream of hot air (with a hair dryer).