Design style creates a very delicate and simple appearance. Clear modularization design makes function division more intuitive. It has a high operability with the help of one-key sequence test and 19-inch touching screen and other features. Indicator light, heat emission hole and other details are derived from gene double helix structure,which perfectly combines the form and functions into one. Whats more, black and white color blending is in accordance with neutral research field of medical treatment, prudent and modern. It reduces production cost effectively for using metal plate technology. In addition, clean surface makes it not only dirty resistance, but also easy to clean and sterilize.