| 摘要 |
A pressure-regulatable pressure sores prevention cushion is provided. The cushion comprises an air cell array, having a plurality of air cells and being divided into at least four air cell zones, the air cells in each air cell zone being in communication with each other, but air cells in any two adjacent air cell zones being not in communication with each other; a plurality of air passages, located under the air cell array and each of which being connected to and in communication with at least one of the air cell zones; a base, on which the air cell array having a plurality of air cells and the air passages being disposed; a plurality of air ducts, which are disposed within the base, an end of each air duct being in communication with a corresponding air passage, and the other end extending out of the cushion and being provided with a joint, and each air duct having a respective valve; and an automatic pressure regulator, which is in communication with the joints of the plurality of air ducts and electrically connected to the respective valve of each duct to enable the automatic pressure regulator to inflate or deflate each air duct. |
