| abstract |
The present invention relates to human support systems, controllers, methods and computer program products. A computer program product for controlling a body support surface includes program instructions stored therein that cause a controller to receive input corresponding to at least one selected zone of the body support surface and selected air therapy, determine body support which of the plurality of bladder zones of the surface are located within the selected zone, generating a control schedule that directs the inflation level of each bladder zone within the selected zone based on the selected air therapy, and instructing the air source and the at least one air source according to the control schedule The air control box regulates the internal air pressure of each of the plurality of air bags independently of each other, while providing a different internal air pressure to each of the remaining air bags outside the selected zone. |