Operating in an ordinary ward Kelly It found that most patients have to sleep in the hospital for several days. The average is in the range of 6-17 days, and the empirical data found that patients with limited or have diseases that affect movement. Making the pressure sores from level 1 to level 3, the total number of no fewer than 10 users. In patient care in order to prevent and reduce the occurrence of wound press-based overlays, one important is to use the bed sores pressed together Because they can transfer weight and better air pressure. But there is a limitation here is expensive. Make the authorities fail to provide adequate service. This is why we have the innovation, so as to prevent and reduce pressure sores is to apply that concept to patient beds, plain. The change comes as the incision points. From the material. How to make an easy budget