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MAGNETOM ESSENZA
 
www.healthcare.siemens.com/magnetic-resonance-imaging/0-35-to-1-5t-mri-scanner/magnetom-essenza/ From Siemens Medical Systems;
Received FDA clearance in 2007.
The MAGNETOM Essenza is designed to combine high system performance with simple installation and power requirements to provide optimal operating costs for limited budgets. The standard system has up to 25 integrated coil elements and 8 independent radio frequency channels. Tim allows the combination of up to 4 different coils that reduce patient and coil repositioning.
The 1.5 Tesla system is designated for a complete range of clinical applications, including neurology, orthopedics, body imaging, angiography, cardiology, breast imaging, oncology and pediatric MRI.
Device Information and Specification
CLINICAL APPLICATION
Whole body
CONFIGURATION
Ultra-short bore
Head, spine, torso/ body coil, neurovascular, cardiac, neck, and multi-purpose flex coils. Peripheral vascular, breast, shoulder, knee, wrist, foot//ankle, TMJ optional.
CHANNELS (min. / max. configuration)
8, 16
Chemical shift imaging and single volume spectroscopy
IMAGING TECHNIQUES
iPAT, mSENSE and GRAPPA (image, k-space), noncontrast angiography, radial motion compensation
MINIMUM TR
3-D GRE: 1.58 (256 matrix)
MINIMUM TE
3-D GRE: 0.5 (256 matrix)
FOV
0.5 - 45 cm
BORE DIAMETER
or W x H
At isocenter: 60 cm
TABLE CAPACITY
200 kg
MAGNET WEIGHT (gantry included)
4350 kg in operation
DIMENSION H*W*D (gantry included)
145 x 226 x 216 cm
5-GAUSS FRINGE FIELD
2.5 m / 4.0 m
CRYOGEN USE
Zero boil off rate, approx. 10 years
COOLING SYSTEM
Water; single cryogen, 2 stage refrigeration
up to 100 T/m/s
30 mT/m, 300 msec to 10 mT/m
Passive, active; first order standard second order optional
POWER REQUIREMENTS
380 / 400 / 420 / 440 / 460 / 480 V, 3-phase + ground; 45 kVA
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Slew RateForum -
related threads
 
The gradient slew rate is the speed rate of ascent or descent of a gradient from zero to its maximum amplitude, either positive or negative. Which is the amplitude divided by the rise time in msec. Measured in mT/m/msec or T/m/sec. The shorter the rise time, the faster the gradients and therefore echo spacing. Gradients with a shorter echo spacing will have a better resolution and more slices per TR.
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MRI Resources 
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