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Starting Bid: U.S.$110000.00 - Reserve not met; Bid Now, Click Here
This item will not be sold if the Reserve price is not met.
Time Left:  Auction Closed
Location:  TX, USA
Bid Closes: Dec 22 - 3:00pm EDT
Manufacturer: HITACHI
Model: AIRIS II 0.3T Open
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What You Are Bidding On:
You are bidding on a Hitachi Airis II 0.3T Open Permanent Magnet System:

Specifications:

The Hitachi Medical Systems America, Inc. Magnetic Resonance Imaging system, AIRIS II, is a high performance, premium open MR scanner. AIRIS II combines a 0.3 Tesla field strength and advanced permanent magnet technology for outstanding image quality. It has an award-winning open gantry design that provides easy access from all four sides and offers the patient a comfortable environment. AIRIS II has an extremely fast and powerful 15 mT/m gradient system for enhancing day-to-day clinical performance and for specialized, emerging technologies. Its digital RF system, both the 4-channel quadrature transmitter and the Dual QUAD receiver, provides high sensitivity and maximum anatomical coverage. AIRIS II has the extended throughput of a RISC-based, 64-bit UNIX platform workstation and an easy-to-use OpenWindows-based graphical user interface. The system is extremely cost-effective and easy to site in as little as 375 sq.ft. The AIRIS II configuration includes:

. Software: 4.5

· Open Magnet

· Gantry and Patient Handling System

· Gradient System

· RF System

· RF Receiver Coil Set.

· Computer System

· Operator Console

· Operating Software

· Imaging Capabilities

· Image Processing/Display/Analysis

· Archive/Interface/Network


AIRIS II OPEN MAGNET

The magnet provides excellent performance for whole body imaging. The innovative open design has an appealingly small footprint,

· Operating field strength: 0.3T

· Magnetic field orientation: Vertical

· Homogeneity: +/- 2ppm (FWHM over a 20cm DSV)

· Shimming: Passive, as well as three axis per-patient

· Magnet weight: 34,600 lb.

· Five gauss fringe field: 6.6 feet lateral and 8.2 feet both longitudinal and vertical from the magnet’s center

AIRIS II GANTRY AND PATIENT HANDLING SYSTEM

The gantry design, incorporating a vertical field magnet, provides a spacious appearance and a comfortable environment for the patient during scanning.

· Magnet opening: 43cm vertical height

· Off-center post placement for unrestricted access from all four sides

· Extra-wide (80cm) table with 500 lb. weight capacity

· Power driven table movement in all three directions; vertical, horizontal and lateral

· Manual table-top emergency release

· Laser light localization in three planes for accurate patient positioning

· Start scan function available at front, sides and rear of magnet gantry

· Patient intercom

· Padded table-top

AIRIS II GRADIENT SYSTEM

The HITACHI-designed and built gradient system provides sub-millimeter in-plane spatial resolution and thin-slice imaging. The pulse-gradient driver’s state-of-the-art digital electronic technology provides high reliability and efficient operation,

· Gradient strength: l5 mT/m, maximum

· Slew rate: 20 T/m/s, maximum

· Completely air cooled gradients

· Shielding: Passive, to neutralize the effects of eddy currents

· Soft Sound gradients offer extremely low acoustic noise for added patient comfort

AIRIS II RF SYSTEM

The RF system provides for highly reliable transmission of RF and reception of MR signals. An ultra low-noise pre-amplifier and pre-matched RF coil electronics provide for maximum performance.

· 4 channel QUAD transmitter for uniform excitation

· 5.0 kw transrnitter power amplifier to accommodate even the largest patients

· 0.3 dB ultra-low noise pre-amplifier for high SNR

· Actively decoupled RF receiver Coils

· Linear and quadrature detection

· Auto tuning

AIRIS II RF RECEIVER COIL SET

Open QUAD Head Coil
This spacious quadrature coil design provides high signal-to-noise, which is especially useful for efficient routine brain imaging, as well as high-resolution, thin-slice imaging.

QUAD Extremity Coil
This effective quadrature coil uses a high performance quadrature/solenoid design to provide high signal-to-noise, which is especially useful for high resolution imaging of detailed knee anatomy.

Large Extremity Coil
A high sensitivity design to optimize imaging of shoulders, large knees, thighs and pediatric heads.

Volumetric Neck and Extremity Coil
A high sensitivity solenoid coil for neck and extremity imaging applications. This volumetric coil provides high signal-to-noise and a uniform field of view within the coil’s 20 cm diameter.

Medium QUAD Flexible Spine and Body Notch Coil
This medium spine and body coil (120cm in circumference) combines quadrature RF technology with solenoid coil design for high quality spine and body imaging. The wrap around features offers uniform signal intensity within the selected field-of-view, along with an extended longitudinal coverage for comprehensive lumbar or thoracic spine imaging. Patient comfort and fit is enhanced with the notched, flexible design.

Large QUAD Flexible Spine and Body Notch Coil
This large spine and body coil (150cm in circumference) combines quadrature RP technology with solenoid coil design for high quality spine and body imaging. The wrap around features offers uniform signal intensity within the selected field-of-view, along with an extended longitudinal coverage for comprehensive lumbar or thoracic spine imaging. Patient comfort and fit is enhanced with the notched, flexible design.


AIRIS II COMPUTER SYSTEM
The Hitachi designed computer system was developed for use by a single operator. The state-of-the-art performance and graphic user interface (GUI) allows for rapid system operation.

-Host CPU is a 64 bit, RISC-based UNIX processor

-1GB memory

-Additional processors for pulse sequence control, data acquisition, image reconstruction and image processing

-<0.ls reconstruction time (256 x 256)

-Easy-to-use OpenWindows-based GUI

-Multi-tasking operating environment

AIRIS II OPERATOR CONSOLE
The control console provides for straightforward operation through the use of optimized ergonomic component design.

-21” high resolution color monitor designed and manufactured by HITACHI

-Mouse input for rapid interaction

-Keyboard input for direct alpha-numeric response

-Control panel for patient intercom and emergency stop

AIRIS II OPERATING SOFTWARE

The operating software configuration allows for easy access to all operator functions including scanning, reconstruction. display/analysis, and archiving.

Scan Task Card
-Scan protocol selection

-Slice and pre-saturation positioning

-Display of reconstructed images

Viewport Tool
-Maneuvering of images such as window/level, cine, ROI and measurement

2D Processing Task Card
-Performs 2D post-processing functions including Adaptive Reconstruction and edge enhancement and addition/subtraction

3D Processing Task Card
-Performs 3D post-processing functions including MPR and MIP

Analysis Task Card
-Supports quantitative analysis features

Maintenance Task Card
-Supports specialized procedures to insure high image quality

AIRIS II IMAGING CAPABILITIES

The image acquisition software provides multiple slice imaging, with the flexibility of user-selectable imaging parameters.

Automatic Per-Patient Prescan
-Set RF power
-Set frequency
-Set receiver gain
-Set receiver tuning
-Perform three axis auto-shim

Image Plane Selection
-Transverse, sagittal and coronal
-Single and double oblique angles
-Multiple slice, multiple angle

Acquisition Features
-2D multislice with contiguous or gapped slices (up to 256 slices)
-3D single or multiple slabs (up to 32)
-User variable image matrix (64-512 x 64-512)
-Maximum of 4 echoes for multiecho sequences
-20 slice thickness of 2mm -100mm
-3D slice thickness of 0.5mm - 5mm

Standard Pulse Sequences
-2D Spin Echo (SE)
-2D Inversion Recovery (IR)
-2D STIR
-2D FLAIR
-2D/3D Gradient Echo (GE)
-2D Dual Slice

Steady State Pulse Sequences
-2D/3D SARGE (SG)
-2D/3D RF- Spoiled SARGE (RSSG)
-2D/3D Time-Reversed SARGE (TRSG)

Protocol Enhancements (compatible with various pulse sequences)
- Variable bandwidth
- Auto bandwidth
- No frequency/phase wrap
- Swap frequency/phase direction
- Presaturation (up to 6)
- Rectangular FOV
- Off-center FOV
- Dual Slice
- Magnetization transfer contrast.
- Gradient moment nulling for flow compensation
- Cardiac gating
- Peripheral pulse gating
- Variable flip angle
- Half scan
- Half echo

MR Angiography
-2D/3D Time-of-Flight (TOP) 2D TOF with RF Spoiled SARGE (RSSG)
-2D/3D Time-of-Flight (TOF)
-2D/3D TOF with RF Spoiled SARGE (RSSG)
-Sloped Slab Profile (SSP) for reducing through-plane flow saturation
2D TOF with walking pre-saturation to highlight either arterial or venous flow Compatible with:
- Gradient moment nulling for flow compensation
- Overlapping 3D slabs
- Presaturation (up to 6)
- Breath-hold
- Cardiac gating
- Peripheral pulse gating
- Swap frequency/phase direction
- 2D slice thickness of 2mm -1 00mm
- 3D slice thickness of 0.5mm - 5mm
- Variable flip angle
- Half echo
Featuring:
- High Resolution/High Definition (HR/HO) reconstruction for increased visualization of small vascular structures.
- Maximum Intensity Projection (MIP) processes 2D and 3D acquired images
to calculate projection images with batch or user defined rotations.
- Includes selective ROI.

Fast Spin Echo
-2D/3D Fast Spin Echo (FSE)
-2D/3D Fast Inversion Recovery (FIR)
-2D FSE STIR
-2D FSE FLAIR
-Single contrast (T1, T2 or proton density)
-Dual contrast (T2 and proton density)
-Compatible with:
- Auto bandwidth
- Gradient moment nulling for flow compensation
- User variable image matrix (128-1024 x 128-512)
- 2D slice thickness of 2mm -100mm
- 3D slice thickness of 0.8mm - 5mm
- Presaturation
- Rectangular FOV
- Off-center FOV
Featuring:
- User variable echo factor
- User variable interecho spacing

AIRIS II IMAGE PROCESSING/DISPLAY/ANALYSIS
Rapid image handling and precise image manipulation is enabled with the high performance AIRIS II computer system.

Image Display
Display matrix: 1280 x 1024 Variable window level and width adjustment
- User pre-set window level and width
- Image acquisition annotation
- Multiple image display
- User selectable image layout
- Reverse Image

Image Processing
- Magnify image
- Rotate image
- Edge enhancement with other post processing algorithms
- Background noise reduction (BNR)
- Cine and multi-image cine

Image Analysis
- Distance measure
- Angle measure
- Line profile plot
- Region of interest (ROI)
- Histogram

Adaptive Reconstruction
For enhanced image signal to noise. Adaptive Reconstruction can be programmed as part of image acquisition process and is user selectable from a predefined set, or can be executed as a 2D post-processing task

Multiplanar Reformatting
2D and 3D acquired can be reconstructed in various planes through the mulitplanar reformatting feature. This provides shorter patient study times for increased throughput and added clinical flexibility. Includes interactive tri-planar melt through reformats, single oblique reformats and multi-slice reformat (parallel only)

Maximum Intensity Projection (MIP)
Processes 2D and 3D acquired images to calculate projection images with batch or user defined rotations. Used, for example, with MRCP and MRA.

Expanded Multi-Tasking
The AIRIS II multi-tasking provides simultaneous scan and reconstruction
capabilities. This feature increases Throughput during multiple acquisitions by eliminating the time interval associated with reconstruction. Other multi-tasking features include image review, prescribe ahead scan set-up, archive, filming MPR, MP and network transfers (optional).

AIRIS II ARCHIVE/INTERFACE
Integral to the AIRIS II operating system is the support of short and long term archive and digital interface for filming.

Image Archive
- Magnetic disk: 4 GB storage capacity for over 9800 images (256x256)
- Optical disk: 2.6 GB re-writeable storage capacity for over 17,000 images (256x256)

Laser Imager Interface
- Digital output and host control of laser imager

Extra Coils

EXTRA LARGE HS/MR QUAD FLEX BODY COIL
The Extra Large HS/MR Flexible Spine Coil (190cm circumference) combines Quadrature RF technology solenoid coil design for high quality spinal imaging. The circumference of this coil is ideal for imaging large patients.The wrap around coil design provides uniform signal intensity within the selected field-of-view, along with the coils extended longitudinal coverage for comprehensive lumbar or thoracic spine imaging.

QUAD CERVICAL SPINE COIL
The quadrature cervical spine provides high SNR and uniformity for imaging the neck and cervical spine, with expansive superior-inferior anatomical coverage.
Specifications:
Year of Manufacture: 2001
Condition:
The equipment is staged and operational, but is not in clinical use.
Inspection:
You are free to inspect this equipment but if you want to inspect the equipment please do so before you bid. If you would like to arrange to inspect this equipment click on "Email Seller" above.

The equipment is located in TX.
Available:
The equipment will be available immediately upon receipt of payment in full.
Warranty:
This equipment is offered in accordance with the "Auction Terms" and "Legal Notice" of www.dotmed.com. No warranty is expressed or implied, including any warranty of merchantability or fitness for a particular purpose. All equipment is sold "as is" and "where is".
Terms:
The Successful Bidder agrees to remit payment in full within 48 hours of the Auction's close.

If the Successful Bidder fails to remit payment according to the schedule described above, then the equipment will be sold to the next highest Bidder.

Deinstallation, Packing, Crating and Transportation will be paid by the Successful Bidder.

Title will transfer from the Seller to the Successful Bidder upon payment in full.

There will be a $35 International Handling Fee for winning bidders outside of the United States of America


This Auction is CLOSED.

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This item will not be sold if the Reserve price is not met.
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