| 摘要 |
A therapeutic seat cushion for use with a chair which comprises a sponge mat layer provided with an underlying slider layer, said sponge mat layer comprising a polymeric foam containing a plurality of projections which extend from the surface of the sponge mat layer and prevent any malfunction in the blood circulation of the body, and said slider layer comprising a fibrous material which is capable of shifting in a lateral direction when a lateral force is applied to the sponge mat layer. |
