Combination respiratory therapy and mattress functionality system integrated into a patient bed

A patient support apparatus comprising

• a bed including a frame,
• a mattress supported by the frame,
• a respiratory therapy apparatus supported by the frame, and
• a pneumatic system operable to inflate at least one bladder of the mattress and operable to deliver air to the respiratory therapy apparatus, wherein the pneumatic system includes a rotary valve operable to deliver pulses to the mattress and to the respiratory therapy apparatus,
• wherein the mattress includes a left turn bladder of the mattress, a right turn bladder of the mattress, and at least one percussion and vibration bladder, wherein the pneumatic system is operable to inflate at least one of the left turn bladder, the right turn bladder, and
• wherein the rotary valve includes a first rotary plate and a second rotary plate, when the second rotary plate is in a first position and the first rotary plate is in a first position, the blower is operable to inflate the at least one percussion and vibration bladder;
• when the second rotary plate is in a second position and the first rotary plate is in the first position, the blower is operable to inflate the left turn bladder;
• when the second rotary plate is in a third position and the first rotary plate is in the first position, the blower is operable to inflate the right turn bladder;
• and when the second rotary plate is in a fourth position and the first rotary plate is in the first position, the blower is operable to move air through the respiratory therapy apparatus.