Adjustable ventilation mattress
 An adjustable ventilation mattress including an inflatable upper filling layer consisted of rows of inflatable plastic tubes arranged in the longitudinal direction, an inflatable lower filling layer consisted of rows of inflatable plastic tubes arranged in the transverse direction below the inflatable upper filling layer, an air permeable covering covered over the inflatable upper and lower filling layers, and a controller controlled to inflate or selectively inflate the inflatable plastic tubes of the inflatable upper filling layer and/or the inflatable lower filling layer according to a predetermined setting for changing the configuration of the mattress. 
A A A A
A61G A47C A47C A61G
inventional inventional inventional inventional
Ching-Lung
Chang