| 摘要 |
Central (3) and lateral (4', 4'') chambers are placed under mattress (1), and are linked via central (5) and lateral (6', 6' holes. Intermediate zone (7) defined by cover (8) around body (9). Vacuum (10) is placed on central chamber, and sucks air in contact with body. Air is sent through conduits (11' ,11'') to lateral chambers, and then sent back in intermediate zone via lat holes. |
