This Philips Hd9 Stimulator is the best type of ultrasound machine available on the market. It has many excellent features and offers streamlined, intuitive features that are better that your typical ultrasound machine. Yet, it is compact and easy to use for the average person to use. As a robust ultrasound machine, it delivers the best features to capture your attention for all types of use. Compare Philips Hd9 Stimulator with HP, Dynatron, Chison, Philips, Toshiba, Esaote, ATL, Medison, Fukuda Denshi, Diasonics, Terason, Siemens, Sonosite, Apogee, GE.