Siemens CT User Manual download pdf (Page 34)

Technical specifications 34

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

13.9

Scanner settings

for std head 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

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

120 kV, 200

mAs,

16x1.5mm,

6mm ST, 250

cm FOV, EB

Filter

120 kV, 330

mA, 1.0s, 4.8

mm slice (coll.

24x1.2 mm),

Small Focal

Spot

120 kV, 350 mA,

1.0 s, 4.8 mm

slice (coll. 12x1.2

mm), Standard

Shaped Beam

Filter

120 kV, 400

mA, 1.0 s, 6 mm

slice (coll. 6x3

mm), Narrow

Shaped Beam

Filter

120 kV

300 mA

1 s/rot

16 mm

13.10

CTDI100

at

isocentre in air

[mGy / 100mAs]

Info not

available

Info not

available

Info. not

available

18.1 22.3 19.4

Info not

available

13.11

CTDI100

at centre

of head phantom

[mGy / 100mAs]

Small Head:

16.9:

Head: 17.8

Small Head:

16.9:

Head: 17.8

10.36 13.4 16.4 14

18.4 (Bow-tie

filter)

10.0 (Flat filter)

13.12

CTDI100 at

periphery of head

phantom [mGy /

100mAs]

Small Head:

17.0

Head: 20.0

Small Head:

17.0

Head: 20.0

11.24 13.6 16.7 13.3

21.5 (Bow-tie

filter)

11.1 (Flat filter)

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 97 98

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