Wheelchairs Power, Wheelchairs Lifting & Tilting, Wheelchairs Postural & Positioning; Quantum Rehab is a Premier Global Innovator of Consumer Inspired Complex Rehab Products, Including the Q6 Edge 2.0 and Quantum Series of Power Bases, Ilevel Seat Elevation Technology, Tru Balance 3 Power Positioning Systems, Q Logic 2 Drive Control System, Synergy Cushions and Backs, and Stealth Products Positioning Components, Home Cushions ...