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Feature: 1. Obtains two pressures at each ankle site (PVR and DOPPLER) 2. Automated segmental studies to customize the item 3. Automatic ABI, TBI and segmental calculation 4. Performs the Seated ABI on mobility impaired patients 5. Bi-Directional Doppler probe 6. PVR waveform modality & PPG probe to obtain toe and limb pressures Specification Ankle-brachial index(ABI),toe-Brachial Index(TBI) ,segment exams, automatic calculation of the indices Control mode: automatic cuff inflation/deflation and hand-held controller Wave mode: bi-directional doppler, pulse volume recording(PVR), photoplethysmography(PPG) Doppler specification: bi-directional continuous wave(CW), waveform amplitude accuracy:+/- 10%, Probe: 8MHz PPG specification: wave length:940nm, synchronous demodulation, AC paired PVR specification: bandwidth 0.16-12.5Hz, AC paried Display: 5.6inch, TFT, (640*RGB*480) Printer: paper width:80mm, printing width:70mm, resolution 8 points/mm Data storage and transmission: maximum store 100 patient’s data, transmission to computer via USB 2.0 Power supply:100-240VAC, 50-60Hz

Feature: 620VP TFT LCD displays the wave of the instant blood flow average velocity and strength. It  prints the monitoring blood flow curve simultaneously; Detect the blood stream status of arterial/venous by 8MHz probe; Detect the blood flow average velocity, detect the result of fingers/toes and part of body’s vein anatomies operation; BV-620VP(TFT) portable bidirectional vascular Doppler with large color LCD screen; Built-in ARM microprocessor & real-time displays blood flow velocity waveform; Can store 50 detected waveforms; High-speed USB/RS -232 port, can be connected directly to computer to analyze, store, and print the waveform data; Detect peak and average blood speed Detect blood flow of peripheral vessel Detect subsection systolic pressure Detect phlebostenosis, vein occlusions Detect Systolic pressure of toes and fingers Detect blood speed during recovery Detect the pulse rate and show PR simultaneously Specification: Frequency range:Main unit：200±80~5000±1000HZ Probe：350±80~2500±500HZ External output：loudspeaker, single channel with earphone jack Emissive waveform: sine wave Ultrasonic frequency：5.0MHz±10% 、8.0MHz ±10% Ultrasonic frequency average intensity：  100dB Printing speed：40cm/min,60cm/min ,display synchronize with print Frequency mode display range：0.2 KHz～7.0 KHz LCD Display：128 X 64 dots, LCD cursor indicates blood stream speed, double display mode for the spectrum and velocity. Power indication: blue LED indication Charge indication: the charge indicator is yellow when charging and become green after full charge Alarm indication: the indicator light is red when the lack of battery Lack of paper indication: When the recorder is lack of paper, the indication light is red Outline dimension：210*220*105 (mm) Net weight：1.9 Kg Environment condition: Temperature：+5℃ ~ +40℃ , Humidity：<80％, Atmospheric pressure：86kPa ~ 106kPa. Transport and storage environment： Temperature：-10℃ ~ +55℃ , Humidity：<80％, Atmospheric pressure：86kPa ~ 106kPa