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64 Slice Spiral CT



1, Technical specifications and parameters

1.1 Gantry

1.1.1 Frame size: 76cm, angle: ±30 degrees, can be remote control operation into / out, rise / fall table and gantry tilt

1.1.2 Slip ring type: contactless high speed data link slip ring

1.1.3 Detector type: GOS solid detector

1.1.4 Detector row: 32


2.1 X-ray system

2.1.1 Tube anode heat capacity: 8.0MHU

2.1.2 Maximum anode heat dissipation rate of tube: 931 KHU/min

2.1.3 Small focus: 0.6 x 1.2 mm

2.1.4 Large focus: 1.1 x 1.2 mm

2.1.5 Focus to the scanning field and other central distance: 570mm

2.1.6 Minimum tube voltage: 80kV

2.1.7 Maximum tube voltage: 140kV

2.1.8 High voltage generator power: 80kW

2.1.9 Minimum current: 10mA

2.1.10 Maximum current: 667mA


2.2 Patient Table

2.2.1 Maximum scan range: 1850mm

2.2. The highest vertical movement of the table is 990mm,

the lowest vertical movement of the table is 425mm

2.2.3 Maximum table longitudinal speed: 150 mm/s; minimum longitudinal speed: 5 mm/s

2.2.4 The table longitudinal movement accuracy: ±0.25 mm

2.2.5 The maximum patient table load: 250kg


2.3 Console and computer system

2.3.1 The main console Master computer: HP Z820 Computer memory: 32GB Host hard drive: 7TB CD-ROM disc recorder system (DICOM compatibility) Color LCD flat-panel monitors flicker 1 unit (progressive) Dtandard DICOM3.0 interface: standard configuration, with the following functions:

  • Send / receive
  • Query / retrieval
  • Basic print function
  • Storage
  • Network interface (RIS / HIS) Laser camera interface Remote diagnosis system and remote diagnosis platform Virtual photo type setting function Console color 3D display

2.3.2 Advanced workstation Offers a package of clinical image processing software, such as MPR, VR, SSD, the maximum and minimum software package Projection; standard configuration volume measurement software.


2.4 Scan parameters

2.4.1 Scan time: 0.39s, 0.5s, 0.6s, 0.7s, 0.8s, 1.0s and 2.0 sec

2.4.2 Imaging speed (number of scan per scan): 64slice/loop

2.4.3 Scan Slice thickness: 0.625mm, 1.25mm, 2.5mm, 3.75mm, 5mm, 7.50mm, and 10mm

2.4.4 Minimum reconstruction display field (FOV): 50mm

2.4.5 Maximum reconstruction display field (FOV): 500mm

2.4.6 Image reconstruction matrix: 512 * 512, 1024*1024

2.4.7 Single scan time: 100 sec

2.4.8 Maximum scan pitch (Factor Pitch): 1.75:1

2.4.9 Minimum Factor (Pitch): 0.15:1

2.4.10 Positioning piece length: 1950 mm


2.5 Image quality

2.5.1 Spatial resolution (X, Y axis plane):20 lp/cm 0% MTF

2.5.2 Spatial resolution (Z axis):20 lp/cm 0% MTF

2.5.3 Density resolution: (indicating the scan conditions): @0.30% 3mm

2.5.4 CTDIvol: Head 16.6mGy/100mAs Body; 8.6mGy/100mAs


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