The height, depth, and width of a wheelchair depend on the patient's size, and the material texture also depends on the type of disease. Generally, the depth is 41, 43cm, the width is 40, 46cm, and the height is 45, 50cm. In order to avoid pressure ulcers, pay attention to the cushions. It is possible to use eggcrate or Roto cushions. This cushion consists of a large piece of plastic with a large number of papillary plastic hollow columns with a diameter of about 5 cm. Each column Both are soft and easy to move. After the patient sits on the pressure surface, the pressure surface becomes a large number of pressure points, and the patient moves slightly.

The pressure point changes with the movement of the nipple, so that the pressure point can be continuously changed to avoid frequently pressing the same The area causes pressure sores. If the above mat is not available, a layered foam should be used. The thickness should be 10cm. The upper layer is 0.5cm thick high-density polyurethane foam. The lower layer is medium-density plastic of the same nature. Those with density have strong support, while those with medium density are soft and comfortable.