An you can feed a software consultant on 1 dollar a day.
The price in medicine is mostly not the hardware but the required expertise to analyse the data. Ultrasound imaging is not easy. The american health system is very expensive though, a ultrasound is around 50 euro's here.
That said, 3D ultrasound can have tons of other applications not just in diagnostic medicine. Real time surgcial feedback in soft tissue, yes please!