GE Healthcare
Optima MR430s 1.5T
System Specifications
System Space Requirements
Gradient System
Suite Size
Strength
70 mT/m
Slew Rate
300 T/m/s
Rise Time
233 microseconds
Noise
< 104 dB (A)
12 ft x 18.5 ft
(222 sq ft or 20.65 sq meters) minimum
floor space
Ergo™ Patient Chair and Ottoman
Type
Weight Support
Manually positioned, free floating
cushioned chair with lock-in-position
brakes, adjustable seat and back
inclination, and easily moveable
ottoman.
Up to 350 lbs (159 kg) patient
Magnet System
Type
Superconducting, passive shims
Field Strength
1.5T active shield
Imaging Volume
16 cm diametrical spherical volume
Fringe Field
5 Gauss line
1.85 m axial x 1.15 m radial
Helium Capacity
49 liters (nominal) liquid helium
Size
518 mm long
638 mm OD
286 mm ID
Helium Fills
Normally not required
Field Stability
< 0.1 ppm/hr
Magnet Weight
< 900 lbs (408 kg)
Compressor
Weight
202 lbs (92 kg)
RF Quadrature Transmit/Receive
Frequency
63.8 MHz ± 63.8 kHz
RF Power
2,000W peak rms, 75W average
Type
Removable quadrature volume transmit
and receive coils
Patient Access
All coils are cylindrical in design with
either 180 mm, 160 mm, 145 mm,
123 mm, 100 mm, or 80 mm diameter
in the center, flared to 200 mm at the
patient entrance.
RF Coils Included
180 mm RF Coil
The 180 mm diameter coil is the largest
of the six coils, and is used for lower
extremity imaging of the knee, ankle
and foot.
160 mm RF Coil
The 160 mm RF coil produces high
resolution images of the knee, foot and
ankle.
123 mm RF Coil
The 123 mm RF coil provides versatility
and is utilized for small knees, larger
elbows, and small feet/toes.
Optional RF Coils
Imaging Capabilities
145 mm RF Coil
The 145 mm RF coil produces high
resolution images of the knee, foot and
ankle.
100 mm RF Coil
The 100 mm RF coil produces high
resolution images of the hand, wrist,
finger and elbow.
80 mm RF Coil
The 80 mm RF coil has been uniquely
designed for high resolution imaging of
the hand, wrist and finger.
Computer System
Host Computer
PC based; Core 2 duo processor,
2.4 GHz minimum; 80 GB minimum
removable hard drive
OP System
Windows XP embedded OS with firewall
security protection
Data Storage
8.5 GB DVD-R/W long term
archival system
Display
19 inch LCD panel
Data Transfer and
Handling (HIS/RIS)
DICOM 3.0 send/receive and
DICOM Worklist
Camera Support
DICOM Print, most popular direct digital
camera protocols
Reconstruction
2D < 200 msec/image
3D < 1 sec/plane
Image Review
Features
Auto display, multiple image display,
window/level, pan/zoom, ROI, annotate,
measurements, multi-planar reformat,
simultaneity of scan, reconstruction,
and image display.
GE Healthcare
3000 North Grandview Blvd
Waukesha, WI 53188
U.S.A
www.gehealthcare.com
Sequences
Spin Echo, Fast Spin Echo,
2D and 3D Gradient Echo
Imaging Options
Inversion Recovery, Driven Equilibrium,
Predefined Protocols, Single and
Double Oblique imaging with use
of graphical slice selection, Fat
Suppression, RF Spoiling, Spatial
Saturation, Flow Compensation,
Automatic Sequential Scans,
Magnetization Transfer, Slice Interleave,
Auto Minimum TE, No Phase Wrap
Rectangular FOV
4 cm – 16 cm, variable in
1 mm increments
Slice Thickness
2D: 1 mm - 10 mm in
0.1 mm increments
3D: 0.2 mm - 10 mm in
0.1 mm increments
Matrix
2D: Phase and frequency variable
separately from 64 to 512, and in z
in steps of 1 from 1 to 64.
3D: Phase and frequency variable
separately from 64 to 512, and in z
in steps of 2 from 8 to 256.
(Some multiples of prime numbers
not allowed.)
Miscellaneous
Regulatory
Compliance
The Laser alignment product contained
within this system is appropriately
labeled according to the requirements
of the FDA’s Center for Devices and
Radiological Health (CDRH). The Laser
alignment product complies with 21
CFR 1040.10 and 1040.11 except for
deviations pursuant to Laser
Notice No. 50, dated June 24, 2007.
©2011 General Electric Company
General Electric Company, doing business as
GE Healthcare.
General Electric Company reserves the right to make
changes in specifications and features shown herein, or
discontinue the product described at any time without
notice or obligation.
Contact your GE Representative for the most current
information.