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Manufacturer Specifications - Aquilion Multi 4, Toshiba

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MODEL

Aquilion 4

Number of slices4
SCANNER GANTRY
Generation (SCANNER GANTRY)3rd
Slipring (SCANNER GANTRY)Low voltage
Aperture (cm) (SCANNER GANTRY)72
Scan fields of view (cm) (SCANNER GANTRY)18,24,32,40,50
Nominal slice widths for axial scans (mm) (SCANNER GANTRY)0.5,1,2,3,4,6,8(all 4-slice mode)
Tilt range (degrees) (SCANNER GANTRY)±30
Type of positioning lights (SCANNER GANTRY)Laser
Accuracy of positioning lights (mm) (SCANNER GANTRY)±1
COUCH
Couch top
MATERIALCarbon fibre
Length and width (cm) (SCANNER GANTRY)218.7 (std) or
Horizontal movement (Camera Operation Stand)188.7 (short) x 47
Horizontal movement range (cm) (SCANNER GANTRY)219 (std)
Horizontal movement speeds (mm/sec) (Horizontal movement)186 (short)
Accuracy/reproducibility of table positioning (mm) (Horizontal movement)±0.25
Scannable horizontal range (cm):
(i) without table top extension (Scannable horizontal range (cm):)186 (std)
(ii) with table top extension(s) (Scannable horizontal range (cm):)219 (std)
VERTICAL MOVEMENT186 (short)
Vertical movement range out of gantry (cm) (SCANNER GANTRY)31-95.4
Vertical movement range in gantry (cm) (Vertical movement)77.9-95.4
Minimum couch top height outside gantry (cm) (Vertical movement)31
Weight bearing properties
Maximum weight allowed on couch (kg) (COUCH)205
Maximum weight on couch which still achieves stated performance specifications (kg) (Weight bearing properties)205
Type (CONFIGURATION)High frequency
Location (COMPOSITION)Rotation assembly
Power rating (kW) (Weight Bearing Properties)60
kV settings available (Weight bearing properties)80.100.120.135
mA range and step size (Weight bearing properties)10-500(10mA steps)
Max. mA allowed for each kV (Weight bearing properties)80 kV: 500mA
X-RAY TUBE
Type and make (X-RAY TUBE)Toshiba Megacool
Focal spot size(s) (mm), quoted to IEC 336/93 standard (X-RAY TUBE)0.9 x 0.8
Total filtration (inherent + beam shaping filter) at central axis(mm Al equivalent) (X-RAY TUBE)> 1 (inherent)
Anode heat capacity (MHU) (SCANNER GANTRY)1.5 - 10 (wedge dependent)
Maximum anode cooling rate (kHU/min) (SCANNER GANTRY)1386
Method of cooling (X-RAY TUBE)Oil/forced air
Guaranteed tube life (SCANNER GANTRY)300,000 rotations
DETECTION SYSTEM
Detector type (DETECTOR CHARACTERISTICS)Solid state
Number of detectors per row (Maximum anode cooling rate)896(plus 1 pair reference detectors at tube side)
Number of elements along z-axis (Maximum anode cooling rate)34
Effective length of each element at isocentre (mm) (SCANNER GANTRY)4 x 0.5 30 x 1.0
Total effective length of detector array at isocentre (mm) (SCANNER GANTRY)32
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CT Scanner, Toshiba, Aquilion Multi 4
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