| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce reaction applied to the body of a patient, or the like by supporting deformation of polyurethane foam when the polyurethane foam undergoes a load, and to reduce contact pressure. <P>SOLUTION: On the back of a mattress piece 10 comprising polyurethane foam, a plurality of semispherical bored holes 12 are provided side by side. Further, on the surface of the mattress piece 10, a slit 14 is provided up to a halfway depth toward the back of the mattress piece 10 so as to surround parts corresponding to the positions of the bored holes 12. <P>COPYRIGHT: (C)2012,JPO&INPIT |
