Patent ID: 8830070

Claim:
A bed comprising: a frame including a lower frame and an upper frame movable relative to the lower frame, at least one caster coupled to the lower frame, a brake operable to brake and unbrake the at least one caster, a controller coupled to the frame, a patient position detection system which has multiple modes of operation for determining a location of a patient relative to the frame, each mode of the multiple modes of operation having a different sensitivity so that a different amount of patient movement is required before an alarm condition is considered to exist, and an alert light coupled to the controller, wherein the frame includes a plurality of barriers extending upwardly from the upper frame, wherein the at least one alert light is coupled to one of the barriers, wherein the multiple modes of operation includes first, second, and third modes, the first mode of operation resulting in the alarm condition being considered to exist in the event the patient moves by a first amount, the second mode of operation resulting in the alarm condition being considered to exist in the event the patient moves by a second amount greater than the first amount, and the third mode of operation resulting in the alarm condition being considered to exist in the event patient moves a third amount greater than the second amount.