1.Equipment name:full digital color Doppler ultrasonic diagnostic system.

2.Application: used for abdominal, cardiac, superficial and small organs, gynecology, obstetrics,

urology, vascular and other examinations.

3.Main technical specifications and system description: 128 physical channels,

3.1.Color doppler ultrasound system

3.1.1.Two-dimensional gray-scale imaging unit;

3.1.2.Color doppler imaging unit, support color two - dimensional dual - time imaging;

3.1.3.Spectrum doppler display and analysis unit (including PW, CW);

3.1.4.Real-time three synchronization display function;

3.1.5.B-steer: in the two-dimensional mode, ultrasonic beam independence and left-right

multi-angle deflection can be achieved, effectively improving the display of tendons, nerves, large

blood vessels in special parts and puncture guidance;

3.1.6.The linear array probe has trapezoidal imaging technology, and the convex array probe has

extended imaging technology, which can increase the scanning range;

3.1.7.Tissue harmonic imaging (THI), inverse pulsed harmonic imaging (PIH);

3.1.8.Extended pulse imaging unit (EPI);

*3.1.9.High definition zoom function unit;

*3.1.10.Support puncture guidance, support puncture channel enhancement technology,

one-key operation, make the puncture needle significantly brighter;

3.1.11.Spatial composite imaging technology, the position can be adjusted visually;

3.1.12.Panoramic imaging unit;

3.1.13.Fast 3D reconstruction unit;

3.1.14.Support color m-type, anatomical m-type imaging unit;

3.1.15.Support for elastic imaging units;

3.1.16.Supporting tissue doppler imaging unit (TDI);

3.1.17.Support tissue spectrum doppler imaging unit (TDI PW);

3.1.18.Support for DICOM3.0 cells;

3.1.19.It has sound speed matching technology;

3.1.20.Support imaging unit;

3.2.Measurement and analysis systems (B, M, spectral doppler, color doppler)

3.2.1.General measure;

3.2.2.Doppler flow measurement and analysis: real-time automatic doppler spectrum analysis;

3.2.3.Cardiac function measurement and analysis: functional calculation;

3.2.4.Abdominal measurement and analysis, urinary system measurement and analysis, small

organs measurement and analysis;

3.2.5.Gynecological measurement and analysis;

3.2.6.Vascular measurement and analysis, IMT vascular intima automatic measurement;

3.3.Patient image and data management system

3.3.1.Internal hard disk: ≥1T;

3.3.2.Support USB export;

3.3.3.Support DICOM3.0

3.4.Input/output interface

3.4.1. S - Video interface;

3.4.2 VGA interface;

3.4.3 network interface;

3.4.4.USB ports: ≥4;

3.4.5. BNC interface;

4.Technical parameters and requirements

4.1.General function of the system

4.1.1.Display:≥19 inches, high resolution, high brightness LED display, two joint free arm

design, omni-directional multi-angle adjustable;

4.1.2.Touch screen: ≥8.4"touch screen, brightness/contrast adjustable.Probe selection,

inspection mode switching, image adjustment, annotation, etc;

4.1.3.Control panel: adjustable up and down lifting height, left and right rotation adjustable;

4.1.4.Probe interface: ≥4 probe interface, probe interface is interchangeable and universal,

support hot plug;

4.1.5.Digital multibeam generator technology, 16 times signal processing technology;

4.1.6.Digital processing channels 8192;

4.1.7.The dynamic range DR of the system is viewable and adjustable. The maximum

adjustment range is ≥290dB;

4.1.8Digital dynamic focusing, digital variable aperture and dynamic tracking, A/D≥14 bit ;

4.1.8.Line density 512 lines/frame;

4.1.9.The system has thumbnail display function.

4.1.10.Real-time zooming (80%-500%)

4.1.11.With Chinese/English arbitrary switch;

4.1.12.Quick check start, one-click navigation function;

4.1.13.Intelligent self-programming pre-setting function: pre-set the best pre-optimized image

conditions for different inspection organs to reduce the time needed for image adjustment. After

selecting the probe, the user can choose the corresponding pre-set imaging conditions;

4.1.14.Integrated ultrasonic workstation: it can collect, store, playback and transmit static

images and movies;

4.2.The probe specifications

4.2.1.All probes adopt ultra-high sensitivity broadband multi-frequency conversion

technology, and the center frequency can be adjusted visually. The frequency range of probes is

2MHz~ 14.0mhz;

4.2.2.The imaging frequency of two wiki wave is ≥7, and the imaging frequency of two

dimensional harmonic wave is ≥5;

4.2.3.Maximum display depth ≥36cm.

4. 2.4.Electronic convex array probe frequency range: 2.0~5.0MHz;

4.2.5.Frequency range of electronic wire array probe: 5.0~14.0MHz;

4.2.6.Frequency range of phased array probe: 2.0~4.0MHz;

4.3.The main parameters of two-dimensional imaging

4.3.1.Multi-beam shaper: adopts 16 times signal processing technology;

4.3.2.Time gain compensation: 8-segment TGC regulation, 8-segment LGC side gain

regulation

4.3.3.Gray scale imaging display level: 256;

4.3.4.Focusing: transmitting focusing ≥7 segments, digital dynamic receiving focusing,

dynamic tracking, digital variable aperture;

4.3.5.Two-dimensional gray scale color coding (false color) function: 17 level adjustable;

4.3.6.Panoramic imaging;

4.3.7 High definition zoom

4.3.8.BGain: 0~100% visual adjustable;

4.3.9Noise suppression;Level 100 visual adjustable;

4.3.10.Afterglow:≥7 kinds, visual adjustable;

4.3.11.Spot softening: ≥level 5, visual adjustable

4.3.12.A key to optimize;

4.4.Color doppler imaging

4.4.1.Imaging mode: color doppler velocity diagram, color doppler energy diagram,

directional energy diagram;

4.4.2.Display mode: B/C mode, double-amplitude real-time display B+B/C mode,

double-amplitude display B/C mode, B/C/D

Trisynchronous mode;

4.4.3.Doppler frequency ≥5 segment visible adjustable;

4.4.4.Pulse repetition rate: visible adjustable

4.4.5.Linear array probe ROI scan imaging Angle deflection range:-20o~20o;

4.4.6.C gain: 0~100% visual adjustable;

4.4.7.Wall filtering: 14 level adjustable;4.4.8.Color image smoothness: level 3 visual adjustable;

4.5.Spectral doppler

4.5.1.Application mode:pulsed doppler(PW),continuous wave doppler(CW);

4.5.2.Range of velocity measurement: highest blood flow velocity: PWD blood flow velocity

≥ ± 10m/s, CWD blood flow velocity ≥20m/s;Minimum blood flow velocity ≤2mm/s

(non-noise signal);

4.5.3.Display: B/D mode, B/C/D three synchronization;

4.5.4.Sampling width grading adjustable: 0.5mm~40mm,;

4.5.5. Deflection Angle: ≥±20 degrees

4.5.6.Baseline movement: ≥16 level adjustable;

4.5.7.Display: spectrum flip, baseline shift, doppler Angle correction;

4.5.8.Visible adjustable doppler frequency ≥5 segments;

4.5.9.DGain: 0~100% visual adjustable;

4.5.10.Wall filtering: support 16 - level adjustable;

4.5.11.Rapid angular correction:-60º,0º,60º;

4.5.12.Freeze real-time spectrum automatic envelope, automatic measurement of velocity;

4.5.13.Volume: 0-100% visual adjustable;

4.6.Integrated ultrasonic graphics workstation

4.6.1.Digital static and dynamic image acquisition, storage, review and transmission;

4.6.2.All digital hard disk, internal hard disk capacity ≥1T;

4.6.3.Readable/writable DVD drive;Support USB export;

4.6.4.Dedicated measurement and analysis automatically generated reports, report data can be edited

4.6.5. Support DVR function;

4.6.6.Support graphic printers and video printers;

4.6.7.Support for various formats, such as bmp,avi,dicom and other formats

4.7.Embedded"cloud"consultation system, perfect real-time joint diagnostic function;