US Patent 8393026 Hospital bed

A patient support apparatus includes a deck, a plurality of side rails, a control panel, and a plurality of subsystems, such as a bed exit system that detects when a patient may exit from the support apparatus, or a lifting mechanism to raise and lower the deck. A controller is in communication with the control panel and is adapted to monitor conditions regarding the side rails and/or the other subsystems. At least one lamp is also provided on the patient support apparatus that is adapted to be illuminated in a first manner when a plurality of monitored conditions remain in a desired state, and in a second manner when at least one of the plurality of monitored conditions changes to an undesired state.