| 摘要 |
The orthopaedic pillow is made of a block of cellular material having the consistence of a latex foam and having, as seen in plan, substantially the shape of a rectangle or a trapezium, the large side or the large base of which is formed with a concave frontal curvature, the top of the block bounding a concavity in the medium portion of the curved edge and said concavity being continued by a recess. |
