Exogen 4000+ ultrasound bone healing system I've for sale an Exogen 4000+ ultrasound bone healing system. This is use to get non-union bone fracture to heal. I fractured my legs which were slow to heal. This machine helped me and now that I am healed, I am reselling it. The device original battery died so I hook up an external power supply for it to allow unlimited sessions with this device. Included are the following: 1) The device 2) Batteries 3) Battery charger 4) Ultrasound gel (several litres) and dispenser Pick up downtown around Queen subway station.