Patent ID: 8476849

Claim:
An apparatus comprising: a receiver of multisensory input from a plurality of input devices; a command-extractor that is operable to extract from the multisensory input a command that is associated with a patient-movement-actuator, the command-extractor being operably coupled to the receiver of the multisensory input; a lift-device-controller that is operable to receive the command from the command-extractor and that is operable to generate at least one electrical signal from the command, the lift-device-controller being electrically coupled to the command-extractor; and a patient-movement-actuator that is electrically coupled to the lift-device-controller and that is operable to receive at least one electrical signal from the lift-device-controller and that is operable to perform motion in accordance with the at least one electrical signal and in response to the at least one electrical signal, wherein the patient-movement-actuator includes a double-pole-double-throw (DPDT) relay for each direction of the motion.