The Philips ClearVue 550 is a midrange shared service ultrasound machine that replaces the HD7xe. It is tiny, with a a refined user interface and hardware that is far easier to service and maintain than previous generations. The Philips ClearVue 550 adds an articulating arm for the monitor, SonoCT, Panoramic and Hi-Q Doppler to the more entry level ClearVue 350.