| 摘要 |
PURPOSE:To enable the effective recovery of ability necessary to lead a daily life. CONSTITUTION:The upper face of a bed frame 1 is provided with twenty independent expansion cells 2 arranged longitudinally and laterally in place of the normally-placed center part of a mattress M. One end of an air pipe is connected to the bottom part of each expansion cell 2, and the other end is connected to a solenoid valve. The solenoid valve controls intake air or exhaust air from a compressor according to a control signal from a controller so as to apply or reduce pressure to the expansion cells 2. |
