QDC-301 is recommended for the treatment and prevention of pressure sore stageⅠ and Ⅱ in long-term and domiciliary therapies. The 18 11cm-high cells in Nylon+PVC are comfortable. They are fixed by means of press-studs. Very easy to install, use and maintain with the possibility of adjusting the pressure according to the patient's weight. They are also easily interchangeable in case of breakage.The pump can be hung to the end of the bed by means of two hooks.