Logo-Stand-Up MRI of Yonkers
(914) 337-3300   (914) 337-3323 - Fax
Stand-Up MRI of Yonkers
(Comprehensive MRI of New York, P.C.)
1234 Central Park Avenue
Yonkers, NY, 10704
Tax ID: 11-3119655    NPI: 1417255381

Upright Multi-Position Weight-Bearing MRI

Specifications

THE FONAR UPRIGHT® WEIGHT-BEARING MRI (also known as the Stand-Up® MRI)

Unique Applications Rotates patients from recumbent to upright
Comparative scans in both Upright and Recumbent positions
Flexion, Extension, Standing, Sitting and Lateral Bending positions
Scans patients in their position of symptoms
Ideal for anxious and claustrophobic patients
The only choice for patients that cannot lie down
Magnet
Field Strength 0.6 Tesla
Magnet Type Iron-frame Electromagnet
Cooling System Type Water (closed-loop); No Cryogens
Field Orientation Horizontal, transverse to the patient
Configuration Front-Open and Top-Open
Patient Gap Dimensions 18 inches (46cm) pole-to-pole
Patient Comfort Upright/Sitting patient faces out and can watch a large flat-screen TV with an unobstructed view
Patient Bed
Positioning Capabilities Translate, Elevate & Angulate
Rotates patient from recumbent to upright
Patient Stabilization Table tilts backward at 7 degrees to reduce patient motion
Patient immobilization fixtures
VersaRest™ trans-polar stabilization bars
RF Receiver Coil Placement RF coils mount easily to movable fixtures
Patient Weight Limit 500 lbs.
Radiofrequency System
Transmitter Configuration Dedicated, Circularly Polarized, Planar
Receiver Configuration Dual-channel
RF RECEIVER COILS
Standard Package
Solenoid/Linear High-Performance Spine & Body Wide Belts (45", 55", 65"
Flexible Cervical
Signal-Plus Universal Coils
Solenoid Wrist
Advanced Coil Package
Planar Quadrature Planar Coil and fixture
[Note that the Upright MRI is dramatically different than an Open MRI as if utilizes planar (flat) coils to image the spine, just like a high-field MRI]
Quadrature Quadrature Head Coil
Quadrature T-L (Thoracic-Lumbar) Coil
Quadrature Knee Coil
Phased Array Shoulder (with Immobilization Fixture)
Computer System
Operating System Windows 2003 Server
CPU Dual Intel Quad-Core processors
Memory size, GB 8.0 GB
Online Storage Three 146 GB disk drives configured in a redundant RAID array with a storage capacity of 290GB
Array processor Not required
Reconstruction Speed < 0.1 sec per 256x256 image
Storage media CD/DVD (5GB)
Connectivity Dicom 3.0 including Store, Print, Query, Retrieve and Modality Worklist
Console Configuration Dual-screen 1280x1024 19-inch LCD flat panel monitors with full screen dedicated to image review
Gradient System
Type Bi-planar self-shielding
Maximum Strength (mT/m) 20
Slew Rate (T/m/s) 33
Minimum Slice Thickness 2.0 mm (2DFT)
0.8 mm (3DFT)
Minimum Field-of-View 6.0 cm
Imaging Techniques
Pulse Sequences Spin Echo (SE)
Multi-echo spin echo (MSE)
  Dual bandwidth Double-echo (DE)
Fast Spin Echo (FSE)
Inversion Recovery Spin Echo (IRSE)
Inversion Recovery FSE (IRFSE): STIR, FLAIR
Driven Equilibrium FSE (DEFSE)
Driven Equilibrium IRFSE (DEIRFSE)
Single-shot FSE (SSFSE)
Gradient Echo (GRE):
Fat/Water out-of-phase
Multi-echo GRE (Fat/Water in/out/in phase)
Gradient Spoiled GRE
Steady-State GRE:
RF Spoiled GRE, Steady-State Rephased GRE
MR Angiography:
2D-TOF and 3-D-TOF
Ramped RF
 
Sequence Controls
Fast Spin Echo Driven Equilibrium
Echo Train Length, Echo Offset, Echo Spacing
Gradient Echo Flip Angle
Steady-State, RF Spoiling, Rephased
Magnetization transfer (MT)
Direction of flow saturation
Scan orientations Multi-Angle Oblique (MAO™), Dual-Axis Oblique
Preparation Pulses Presaturation pulses
Magnetization transfer (MT)
Frequency Selective Saturation (e.g. fat, water, silicone)
Diffusion-Weighted (DWI)
Trigger/Timing Test Bolus
Breathhold, Fluorscopic
Reconstruction Fast Fourier Transform (DFT): 2DFT, 3DFT
Partial (Half) Fourier
ZIP interpolation
2-point Dixon, 3-point Dixon for Fat Suppression
Firing Order Cross-talk minimization
Interleaved
Interleaved by Subscan (e.g. breathhold)
Sequential
Data Acquisition Rectangular FOV (continuously variable phase sampling ratio)
Multiple Sub-Scanning
Centric Phase Encoding
Flow Compensation, Ramped RF
Low Bandwidth, Multi-bandwidth
Continuously Variable Display Matrix
Swap Frequency and Phase
Repeat and Replace Slices
Continuous Scan Mode, Breath-hold Imaging, Kinematic Mode
Prescan Indicators Relative resolution
Absolute resolution (frequency and phase)
Post-Processing MIP with rotate, tumble, pan
Image enhancement
Bright Balance™
Display and Analysis Windowing, ROI, zoom, pan
Cursors, profiles, derivatives, mean, standard deviation
Image subtraction
SNR measurements
Image Viewing Software (IVS) for referring physiciand to view their patients' scans on a CD