MRI COMPARISON CHART
Siemens Magnetom Espree vs. Siemens Magnetom Avanto

 

 

MRI Model > Magnetom Espree > Magnetom Avanto
Company Siemens Healthcare Siemens Healthcare
FDA Clearance YES YES
Clinical Application Whole Body Whole Body
>> MAGNET
Configuration Ultra-short open bore Short bore
Type Superconducting Superconducting
Field Strength 1.5 T 1.5 T
Homogeneity
(35 or 40cm DSV), Vrms
<5ppm @ 40cm DSV
(24 plane plot)
1.2ppm typ. @ 40 cm DSV
(24 plane plot)
5-Gauss Fringe Field
Radial Axial, m
2.5 4 2.5 4
Cryogen Refill Period Approximately 10 years Approximately 10 years
Finished Gantry Weight, kg
(Covered)
5,100 in operation 5,500 in operation
Finished (Covered) Gantry Dimension, cm (L x W x H) 125 x 230 x 225 160 x 230 x 230
>>PATIENT COMFORT
Minimum Finished Bore L-R Diameter, cm
(Closed Magnet)
120 without covers 150 without covers
Minimum A-P Dimension w/ Table Inserted 70 cm 60 cm
Table Width
(moving portion)
54 cm 54 cm
Table Capacity 550 lbs 550 lbs
Table Vertical Travel, cm
(Min height-scanning height)
47 Min H 47 Min H
Table Lateral Movement Range 243 cm 243 cm
Patient Cooling Features In-bore ventilation (3 levels) In-bore ventilation (3 levels)
Patient Illumination Features In-bore lighting (3 levels) In-bore lighting (3 levels)
Patient Operator
Call & Intercom
YES YES
>>GRADIENT
Maximum Amplitude
Single Axis, mTm
33 45
Maximum Slew Rate
Single Axis, Tms
170 200
Cooling System Type Water Water
>>COMPUTER SYSTEM
CPU Type Intel Xeon 2x Dual Core Intel Xeon 2x Quad-Core
CPU Memory Size, MB 4 GB RAM 4 GB RAM
Reconstruction Hardware 2 x AMD Opt. 252 CPU
(Linux 64 bit)
1 Intel Xeon Quad Core
Reconstruction Memory Size 180GB HD, 8GB RAM 438GB HD, 8GB RAM
Image Storage Memory Type CD-ROM, DVD-R CD-ROM, DVD-R
Image Storage Media
Image Capacity
25,000 256 x 256 25,000 256 x 256
DICOM 3.0 Classes Supported YES YES
Display Monitor Displayable Area (L x W), cm 1280 x 1024 full screen 1280 x 1024 full screen
Simultaneous Scan & Reconstruction YES YES
>>RF SYSTEM
Channels
(Min, Max Configuration)
8, 18, 32 8, 18, 32
Parallel Imaging Features
(name, imageK-space)
iPAT, mSENSE & GRAPPA iPAT, mSENSE & GRAPPA
>>COILS
(StandardOptional, #of elements, RF channels, parallel imaging support)
Brain NS NS
Head 12, 32 opt; 8, 18, 32 opt; iPAT 12, 32 opt; 8, 18, 32 opt; iPAT
Spine 24; 8, 18, 32 opt; iPAT 24; 8, 18, 32 opt; iPAT
Neck 4, 16 opt; 8, 18, 32 opt; iPAT 4, 16 opt; 8, 18, 32 opt; iPAT
Shoulder Opt 4, 4chan, iPAT Opt 4, 4chan, iPAT
Body Torso 6, 32; 8, 18, 32 opt; iPAT 6, 32; 8, 18, 32 opt; iPAT
Knee Opt 8; 8 chan; iPAT Opt 8, 15; 8, 15 chan; iPAT
Cardiac 6; 8, 18, 32 opt; iPAT 6; 8, 18, 32 opt; iPAT
Breast Opt 4, 7, 16; 4, 7, 16; iPAT Opt 4, 7, 16; 4, 7, 16; iPAT
Wrist Opt 8; 8 chan; iPAT Opt 8; 8 chan; iPAT
Neurovascular Up to 28 chan in combination w/ Tim; iPAT Up to 28 chan in combination w/ Tim; iPAT
Peripheral Vascular Opt 16; 8, 18, 32 opt; iPAT Opt 16; 8, 18, 32 opt; iPAT
TMJ Opt 2; 8, 18, 32 opt; iPAT Opt 2; 8, 18, 32 opt; iPAT
Others Foot ankle coil 8 chan Foot ankle coil 8 chan
>> IMAGING FEATURES
Noncontrast Angiography YES YES
Spectroscopy CSI & SVS CSI & SVS
Motion Compensating
Radial Techniques
Std 2-D PACE Std 2-D PACE
Brain Volume Imaging YES YES
Minimum Repetition Time 3-D GRE: 1.6 (256 matrix) 3-D GRE: 0.91 (256 matrix)
Minimum Echo Time 3-D GRE: 0.66 (256 matrix) 3-D GRE: 0.22 (256 matrix)
FOV (AP, RL, HF, Min to Max) 0.5cm – 45cm 0.5cm – 50cm
>> POWER REQUIREMENTS
Voltage (line voltage, phases) 380 400 420 440 460 480V 380 400 420 440 460 480V
kVA 85 110
AC, BTUhr
(for entire system)
10 kW34, 146 10kW34, 146

 

The Bottom Line: Both of these MRI systems are excellent and would enhance any practice, hospital, or imaging center’s profile and clinical capacity. What stands out for the Espree is the 70cm bore, which is an important feature for most diagnostic centers. What makes the Espree difficult is the supply and the cost. These units are difficult to locate on the used market and there are great deals of people who are waiting to acquire such a nice MRI. The Avanto is less expensive but can also prove to be difficult to locate on the used market. So if your budget and timeframe allow, the Espree may be the MRI for you.

If you need more information, feel free to contact us anytime.

 

Posted by:
Nathan Welch
MRI Specialist
407.438.7847   
Nathan@AmberUSA.com

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