Trolley structure and it can be applied in the ... gynecology and obstetrics diagnosis. Technical Parameters:Structure: portable and trolley, KJ-4001, 4002, 4003 and 4003(workstation)Display mode ... ×2.0 (Depth hoist display)Dynamic range: 64~96dB adjustable.Two probe ports, Trans vaginal probe, high frequency linear array ... intrauterine equipment, pregnancy and so on.. KJ-4003 Trolley B Ultrasound scanner