Cryotherapy Unit Neomed Crais CRAIS, a cryotherapy equipment, is the most effective and practical cooling device for soothing, anesthetizing skin during dermatological laser treatments. It is also widely used in physiotherapy field for relieving pains by applying to swellings, inflammation. By using ambient air and cooling it as low temperature as -30℃, CRAIS is economical without any consumables and has a better analgesic effect then other cooling methods such as icepack or contact cooling.