Siemens ESSENZA 1.5T MRI

MODEL MAGNETOM ESSENZA
MAGNET Superconducting
POWER NEEDED LINE VOLTAGE, VAC 380/400/420/440/480
Kva (POWER NEEDED) 50
GANTRY
Bore diameter/height of patient opening, cm
60
Overall bore length, cm 145, cover to cover
Bore length with minimum opening, cm 103
In-bore patient comfort features In-bore lighting (3 levels), in-bore ventilation (3 levels), inbore intercom, look-out mirror, patient supervision monitor
PLANNING AND INSTALLATION Overall gantry dimensions (including covers), W x H x L, m (PLANNING AND INSTALLATION) 2.11 x 1.31 x 2.14 includes patient table
Minimum ceiling height, m (PLANNING AND INSTALLATION) 2.4
Extent of fringe field (0.5 mT, 5 gauss) in x, y, z directions, m (Power requirements) 2.5 (x, y), 4 (z)
Total weight w/cooling, shielding, gradient/body coil, kg (lb) (PLANNING AND INSTALLATION) 4,350 (9,570)
Minimum dimensions of opening required for installation, W x H, m (PLANNING AND INSTALLATION) 2.26 x 1.83
Minimum installation area for magnet, m² (Power requirements) <30
Minimum total installation area for system, m² (PLANNING AND INSTALLATION) <30
Total number of cabinets required (PLANNING AND INSTALLATION) 2, can be placed against the wall or in corner
POWER CONSUMPTION (TEMPERATURE) LINE VOLTAGE, VAC 380, 400, 420, 440, 460, 480 V
Kva (POWER NEEDED) 45
CLINICAL USE (POWER NEEDED) Whole body
Image processor (PROCESSOR SYSTEM) Clock speed, GHz (Reconstruction) 2
Operating system (CHANNEL MEASUREMENTS) Windows
Dedicated RAM (Reconstruction)

Reconstruction

4 GB, 144 GB dedicated raw data capacity
Maximum number of 256 x 256 slices per acquisition sequence (IMAGE PROCESSOR) 110,000 images at 512 x 512, uncompressed
Number of slices per sec (256 matrix) (IMAGE PROCESSOR) ≥2773 recons/sec (256 x 256 FFT, 25% rec FOV); ≥983 recons/sec (256 x 256 FFT, full FOV); simultaneous scan and reconstruction ≥8 data sets
Maximum matrix (IMAGE PROCESSOR) 1024 x 1024
Minimum slice thickness 2-D/3-D, mm (Reconstruction) 0.1/0.05
Minimum FOV, cm (IMAGE PROCESSOR) 0.5
Maximum FOV, cm (Reconstruction) 45, 30-35 typical in z
Quantitative image analysis tools Perfusion imaging (X-RAY TUBE) Standard calculation time-to-peak maps; optional inline perfusion (GBP, PBP, TTP)
fMRI (Quantitative image analysis tools) Func Tool standard; standard calculation time-to-peak maps; optional inline perfusion (GBP, PBP, TTP)
Diffusion imaging (Quantitative image analysis tools) Standard ADC map calculation; optional inline diffusion (realtime calculation trace and ADC maps)
Diffusion tensor imaging (SCANNING TECHNIQUES) Standard MDDW, 6 and 12 directions; optional DTI sequence up to 256 directions
Cardiac imaging (SCANNING TECHNIQUES) Standard with cardiac suite
Cine (DOPPLER) Standard
Coronary artery (SCANNING TECHNIQUES) Optional
Body imaging (Quantitative image analysis tools) Standard 1-D, 2-D PACE, dynamic analysis package includes addition, subtraction, division, multiplication, ADC maps, T1, T2, z-score, TTP, standard deviation
3-D image reconstruction (Quantitative image analysis tools) Standard MIP, targeted MIP, MPR (including curved reconstructions), surface shaded display, MinIP; optional image fusion, vessel view, 3-D VRT, fly through
COILS
Integrated body (COILS)
Standard
Type (CONFIGURATION) Array, receive only, PA (peripheral angio) matrix
Number of independent channels (MAGNET SHIMMING DETAILS) 30-60 x 27
Head (SURFACE COILS) Standard
Diameter, cm (VACUUM) Array, receive only, double loop
Number of elements (COILS, CONTINUED) Varied, can be combined with matrix coils
Number of independent channels (MAGNET SHIMMING DETAILS) 8
Parallel imaging compatible (COILS, CONTINUED) Yes, in combination with other coils
Mirrors for patient head (COILS) Yes
Tmj (SYSTEM CAPABILITIES) Optional
Number of elements (COILS, CONTINUED) Varied, can be combined with matrix coils
DICOM (GANTRY)
Modality work list SCU (Range of movement)
Standard
MR Image Storage SCU (DICOM) Standard
Query/Retrieve SCU and SCP (Range of movement) Standard
Storage commitment SCU (Range of movement) Standard
Modality performed procedure step SCU (Range of movement) Standard
IHE profiles supported (Range of movement) Standard
ACOUSTIC NOISE
Sound pressure level (SPL) at peak gradient amplitude and slew rate, dB(A) (ACOUSTIC NOISE)
93 V engine
Reduction technology (ACOUSTIC NOISE) Antivibration mounting, noise reduction, systems integration, whisper mode, others
SCANNING TECHNIQUES

ECHO PLANAR IMAGING (CARDIAC GATING)

Yes, standard
Single shot (SCANNING TECHNIQUES) Standard; SE, FID
Multi shot (SCANNING TECHNIQUES) 2-D/3-D segmented; SE and FID
EPI pulse sequences (SCANNING TECHNIQUES) Standard
Maximum EPI factor (SCANNING TECHNIQUES) 256
Neurologic imaging (SCANNING TECHNIQUES) Standard
Perfusion (SCANNING TECHNIQUES) Standard

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