如果在坐骨(坐骨结节)下发现2级(警告)或3级(不安全)压力,则需要采取措施减轻压力。一个简单的解决办法就是在上面多加一层坚固的泡沫。这就是所谓的“提升”。 The lift should be approximately 20 mm thick and have holes cut out under the seat bone area. The lift is placed underneath the cushion and inside the cover. Sometimes more than one layer is needed. Personnel should add one layer and test the pressure. If the pressure is still level 2 or 3, add another layer.
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