No.

Technique Description

Parameter

Remark

1

Magnet System

1.1

Magnet Type

Permanent Magnet

Automatic constant temperature system

1.2

Field Strength

0.3T

1.3

Magnet Shape

C-shape

1.4

Homogeneity(40cm, DSV, VRMS)

≤2.0ppm

1.5

Shim Method

Active/Passive

1.6

Magnet Vertical Gap (Cover)

40cm

1.7

Accessibility(Horizontal Opening Angle)

320°

1.8

5 Gauss fringe field

X-axis: horizontal ≤2.5m

Y-axis: Vertical ≤2.5m

Z-axis: horizontal ≤2.5m

2

Patient Couch and Communication

2.1

Patient Couch Driven mode

Motor-driven

2.2

Max. Patient Weight

≥200kg(440lbs)

2.3

Patient Positioning Tools

Laser Light Localizer for positioning of center slice

Motor-driven transfer to center of imaging volume

2.4

Position accuracy

±1mm

2.5

Emergency Call Key

Yes

2.6

Intercom System

Yes

3

Gradient System

3.1

Gradient Field Strength(Single Axis)

≥28mT/m

3.2

Gradient Slew Rate    (Single Axis)

≥93mT/m/ms

3.3

Rise Time

≤0.3ms

3.4

Gradient Cooling System(Gradient coils and Power electronics)

Air Cooling

4

RF System

4.1

RF System Type

Digital Transmit and Receive

4.2

Number of RF Channel

4

4.3

Transmitter Amplifier Peak Power

6kW

4.4

RF Bandwidth of Receiver

≥1MHz

4.5

PA Head Coil

Yes

4.6

PA Neck Coil

Yes

4.7

PA Body/Spine Coil (17 inch)

Yes

4.8

PA Body/Spine Coil (20 inch)

Yes

4.9

PA Knee Coil

Yes

4.10

PA Shoulder Coil

Yes

5

Computer System

5.1

Host Computer

DELL Computer (Professional for MRI)

5.2

System Software

Windows 7

5.3

Operation Software

APEX

5.4

CPU Clock rate

3.6GHz

5.5

Main Memory

2GB

5.6

Color LCD Monitor

19”

5.7

Keyboard and Mouse

Standard

5.8

Image Reconstruction Speed(256 x 256 Matrix)

1500 FPS.

5.9

Hard Disk

500 GB

5.10

Image Storage Capacity(256 x 256 Matrix)

2,650,000 images

5.11

Media Driver

DVD RW