For ultrasonography of superficial blood vessels and glands Carotid, thyroid 3 Trans-vaginal probe 4.5MHz/6.0MHz/7.0MHz/9.0MHz/H8.0MHz Ultrasound examination of gynecology Uterus, ovaries, fallopian tubes. 4 Micro-convex probe 4.5MHz/6.0MHz/7.0MHz/9.0MHz/H8.0MHz ...