| 摘要 |
A pneumatic pump for inflatable partitions of a support, and a bedsore-preventing mattress suitable for use with such pump, are disclosed. The pump is of the type suited to deliver pressurised air to a plurality of outlet ports which are in communication with respective flexible vesicles/bags (11a-11c) arranged in a circle, squashing means (16) being further provided rotating about the axis (18) of said circle and capable of applying rotary compression to said vesicles (11a-11c), said vesicles further being connected, through one-way valves (V), to a common pressure -loading circuit (20). |
