Patent ID: 9205010
Filing Date: 2015-12-08
Classification: A47C,A61G

Abstract:
1. A patient-support apparatus comprising: a mattress with two or more inflatable zones, each zone comprising at least one inflatable bladder; two or more primary fluid sources each having a first capacity and coupled to a corresponding one of the two or more inflatable zones; a secondary fluid source having a second capacity that is greater than the first capacity of each primary fluid source, the secondary fluid source being coupled to the two or more inflatable zones and being configured to supply air to the two or more inflatable zones, the secondary fluid source being independent of the primary fluid source; a controller coupled to the two or more primary fluid sources and to the secondary fluid source, the controller configured to activate the secondary fluid source to provide fluid to the two or more zones if the pressure in at least one of the two or more zones is below a lower threshold pressure.