Siemens CT User Manual download pdf (Page 35)

Technical specifications 35

CEP08027: March 2009

GE LightSpeed

VCT

GE LightSpeed

VCT XT

Philips

Brilliance

CT 64

Siemens

SOMATOM

Sensation 64

Siemens

SOMATOM

Definition AS 64

Siemens

SOMATOM

Definition

Dual Source

Toshiba

Aquilion 64

13.13

Scanner settings

for std body scan,

used for quoting

CTDI100 values

120 kVp, 40

mm; 260 mAs;

0.4 to 1.0 sec

scan

64 x 0.625 or 32

x 0.625;

5 mm nominal

image thick

121 kVp, 40

mm; 260 mAs;

0.4 to 1.0 sec

scan

64 x 0.625 or 32

x 0.625;

5 mm nominal

image thick

120 kV, 250

mAs,

16x2.5mm,

5mm ST, 350

cm FOV, B

Filter

120 kV, 440

mA, 0.5 s, 4.8

mm slice (coll.

24x1.2 mm),

Large Focal

Spot

120 kV, 420 mA,

0.5 s, 4.8 mm

slice (coll. 16x1.2

mm), Standard

Shaped Beam

Filter

120 kV, 160

mA, 1.0 s, 6 mm

slice (coll. 6x3

mm), Standard

Shaped Beam

Filter

120 kV

300 mA

1 s/rot

16 mm

13.14

CTDI100 at

isocentre in air

[mGy / 100mAs]

Info not

available

Info. not

available

Info. not

available

18.1 21.3 20.7

Info not

available

13.15

CTDI100 at centre

of body phantom

[mGy/100mAs]

Small Body: 4.6

Medium Body:

5.1

Large Body: 4.8

Small Body: 4.6

Medium Body:

5.1

Large Body: 4.9

3.36 4.5 4.9 4.8

6.6 (Bow-tie

filter)

3.5 (Flat filter)

13.16

CTDI100 periphery

of body phantom

[mGy/100mAs]

Small Body: 8.7

Medium Body:

10.4

Large Body:

10.1

Small Body: 8.7

Medium Body:

10.4

Large Body:

10.1

6.76 7.6 8.8 8.5

14.8 (Bow-tie

filter)

7.3 (Flat filter)

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 97 98

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