For Sale ESAOTE G-scan MRI Scanner

Technical parameters

Imaging system

Anatomical regions: regions consistent with studies

using this system are: calf, knee, ankle, foot,

thigh, hand, wrist, forearm, elbow, arm,

shoulder, hip, lumbar-sacral and cervical

column, temporomandibular joint (sublicense)

Excited nuclei: lH

Acquisition and reconstruction methods:

- Multidimensional 2D acquisition, with 2D Fourier transform reconstruction,

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with zero fill for partial acquisitions and

for rectangular FOV

- Multilayer 2D, half-echo

- Multilayer 2D, half-scan

- Multilayer 2D, turbo

Acquisition 3D, with reconstruction according to

Fourier transformed 3D (in isotropic 3D

the reconstructed volume can be stored both

on hard disk and optical disk for subsequent

multiplanar relicing, in anisotropic 3D a

multilayer is produced as in 2D);

- 2D in real time as a reference image for

positioning

- dynamic acquisition in given time

intervals

Acquisition matrix: 2-D: from 128x128 to 512x512; phase

encoding step is 8, and frequency

encoding is 32

3D: from 192x128 to 256x256; slice

encoding from 24 to 128, step 8; phase

encoding step is 8

Spatial resolution: up to 0.2 mm nominal

Field of view (FOV): 100 mm to 400 mm in 10 mm steps, to

manage signal-to-noise ratio and image resolution

Usable and display area (maximum

displayed image) corresponds to maximum

FOV 270 mm

Number of slices x echoes: 1 to 128 (max. 2 echoes), in case of

Turbo acquisitions (with several echoes)

limit is adjusted accordingly (min. 16) •

Slice selection method: selective gradient and RF pulse

Slice thickness: 2-D: 2 mm to 10 mm in 0.5 mm steps

3-D: 0.6 mm to 10 mm in 0.1 mm steps

Inter-slice distance: adjacent slices can be obtained

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Slice orientation: transverse, sagittal, coronal, oblique

Packages: multiple parallel and non-parallel packages

TR regardless of the number of slices

Magnetic system

Magnet type: permanent, in NeFeB, proprietary type 'C'

Magnetic circuit

Field direction: vertical, between two C walls

Static field strength: 0.24 T ± 5.0 mT (f0: 10.22 MHz ± 210 KHz)

Thermal control: 5 independent channels for controlling

magnet temperature at 35 °C

Field stability: <30 Hz/10 minutes

Uniformity: ± 3 ppm FWHM over 270 mm DSV

Field stability: 30 Hz/10 minutes

Pad system: passive

Field edge (0.5 mT line): contained at a distance of 1.8 m from the center of the magnet

Magnetic shielding: not necessary

Gate opening: Net height of the shield recess: 37.5 cm

Height of the recess from the patient table surface,

without cushions: 35.1 cm

Height of the recess from the patient table surface,

with cushions: 32.3 cm

Cushion thickness: 2.8 cm

Dedicated gradient system

Coils: 3 gradient coils (X, Y, Z), one for

uniform field (Bo)

Maximum intensity: ± 20 mT/m

Rise rate: 56 mT/m/ms

Technical description

Linearity: ± 5% per 200 mm DSV; ±12% at 230 mm

DSV

Cooling system: both coils and amplifier are air cooled

Control system: digital based on SHARC 21161 DSP

(600 MIPS, 600 MFLOPS, 128 KB)

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4 independent channels (X - Y - Z - Bo)

18 bit DAC - update every 7.2 µs

Ramp generation - induced current

compensation pre-emphasis - adjustable

delay

Calibration procedure: all calibrations of the gradient system are

managed by the console at different levels

automation

Magnetic compensation system (optional):

'open loop' control of magnetic changes

field via external measurement (AC and DC

sensors), digital signal processing in

separate channels (DC - 50/60 Hz - 16.6 Hz)

and corrective control by means of a Bo coil.

Digital electronics based on SHARC 21161 DSP

Radio frequency, transmission and acquisition system

Receive coils: Shoulder coil 1 (linear): 22.4 x 21.6 x 12.6

(ext.) 14.5 x 17.5 x 12.6 (in.) cm

Knee coil 2 (DPA): 22.5 x 21.0 x 18.3 (ext.)

14.3 x 16.0 x 18.3 (in.) cm

Hand/wrist coil 3 (DPA): 17.8 x 17.5 x 20

(ext.) 11.9 x 7.2 x 20 (in.) cm

Ankle coil 4 (DPA): 22.0 x 19.2 x 28.5 (ext.)

14.6 x 10.0 x 28.5 (in.) cm

Flexible coil 6 (linear): 4.0 x 33.0x x 28.5 cm

(maximum inner)

Bracelet coil 7 (DPA): 21.5 x 30.0 x 21.8

(maximum inner)

Neck coil 9: 25.5 x 33.0x x

33.0 cm (maximum outer)

Lumbar coil 17 (multi-channel): 27.0 x 28.0

x 40.0 (inner) cm 30.5 x 28.0 x 48.8 (outer) cm

Lumbar coil 18 (multi-channel): 28.8 x 28.0

x 47.0 (inner) cm 32.3 x 28.0 x 55.4 (ext.) cm

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Optional receiver coils: Coil 14 lumbar-sacral (DPA): 29.4 x

32.2 x 42.3 (max. ext.), surface per limb: max.

height 22.1 cm, min. height 20.6 cm, width 19 cm, length 13.1 cm

TMJ coil 15: max. height 23.7 cm, max.

width 14.4 cm, thickness 2.8 cm Gantry: includes gradient and RF coils

transmit coil; allows quick positioning and connection

with quick connector on both sides

opening and automatic recognition

receiving coil

Receiving chain: 4 independent channels

noise figure <1 dB

bandwidth at 0.5 dB: 600 KHz (10.2 MHz ±300 kHz)

maximum power 1500 W

Power supply

Mains parameters: 200÷210/220÷240 VAC, 50/60 Hz, 24 hours

Consumption: 2100 VA during fast heating

2400 VA in acquisition

1500 VA in rotation

1200 VA in standby mode

400 VA with unit OFF (thermal control)

Current protection: thermal switch 16 A primary, 16 A secondary

Computer and monitor consumption: 400 VA

Grounding: via 6 mm2 power cable Overall dimensions and weight

Magnet: H (Y direction in vertical field) approx.

145 mm; W (X direction horizontal) approx.

149 mm; D (Z direction horizontal) approx.

105 mm

Weight approx. 6050 kg

Magnet mounted on rotating structure:

H (Y direction vertical in field) approx.

199 mm; W (X direction horizontal) approx.

211 mm; D (Z direction horizontal) approx.

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180 mm

Weight approx. 7455 kg

Bed: approx. 98 kg

Electronic box: 60x72x90 cm; 201 kg empty, 341 kg full

PC: 18x45x48 cm; 13 kg

PC packaging: 30x70x60 cm; 18 kg

24' TFT monitor: 55.68x37.78 ÷ 52.8x22.76 cm; 10.6 kg

24' TFT monitor in packaging: 65x50x32.5 cm; 14 kg

Return Policy

Items are sold as-is with no returns or refunds available unless explicitly stated.