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GE Signa HDxt 1.5T EchoSpeed 8-Channel Mobile MR system
The Signa HDxt 1.5T EchoSpeed system is a high-performance, whole-body MR system powered by High Definition technology and featuring an actively-shielded magnet, detachable patient table, actively-shielded high-fidelity gradients, and phased array digital RF electronics. On the HDxt EchoSpeed 8-Channel configuration, the High Definition data pipeline delivers imaging through 8 independent data channels linked to the a dual blade Volume Reconstruction Engine (VRE). Its 8-channel architecture also equips you with real-time Generalized Encoding Matrix (GEM) image reconstruction capability, enhanced parallel imaging reconstruction, and rapid 3D volume reconstruction. On the HDxt EchoSpeed platform each gradient can attain an amplitude of 33 mT/m at a slew rate of 120mT/m/ms with the most accurate and repeatable waveforms to ensure the highest possible image quality. This configuration also includes a quadrature transmit/receive RF head coil.
Patient Transport: The patient table and transport includes a detachable table with automated vertical and longitudinal power drives for easy patient positioning and maximum patient safety. The table can be easily docked and undocked by a single operator. As a result, emergency patient extraction can typically be performed in less than 30 seconds eliminating the need for 1.5T compatible emergency equipment. The table includes a self-storing, non-ferrous IV pole, table pad and positioning pads, safety rails and security straps.
This configuration is designed for installation into a mobile van and includes a complete mobile hardware kit. This configuration also includes a Gradient heat exchanger.
Operator Console and User Interface: The operator console consists of the Linux computer, 23-inch LCD monitor, scan control keyboard, and chair. The computer components are housed in a single tower configuration, and the flat panel display monitor provides high, 1910x1200 dot resolution with a 500:1 contrast ratio. The English scan control keyboard is ergonomically designed and contains an intercom speaker, microphone, volume controls and emergency stop switch. This configuration also includes a modem or broadband connection that links the system to GEHC InSite Service Engineers enabling remote diagnostics and optimum system performance.
The HDxt User Interface leverages the Linux computer platform to enhance productivity through single-screen prescription for most protocols and includes Secure Coil Connect, that eliminates coil connection errors, ProtoCopy, that facilitates the development and rapid transfer of scan protocols, and Vector Gating for highly reliable ECG triggering.
HDxt ScanTools: The HDxt ScanTools Package delivers a full range of pulse sequences and analysis software for whole-body imaging on the technology platform. The core HDxt ScanTools package includes spin echo, fast spin echo, gradient echo, fast gradient echo, time-of-f1ight. Phase contrast and echo planar pulse sequence suites along with FuncTool, ClariView, Multi-planar Volume Reformat and Interactive Vascular Imaging analysis packages. In addition, HDxt ScanTools includes specialized applications: GEM, ASSET, iDrivePro Plus, EchoPlus, SmartPrep, SmartStep, FTMRA, 2D FIESTA, 2D FAT SAT FIESTA, 3D FIESTA, FIESTA-C, 3D FAT SAT FIESTA, Double-Triple IR-FSE. ConnectPro, and GE?s exclusive LAVA body imaging. Expanded descriptions follow:
ScanTools Core Features: The core pulse sequence suites in HDxt ScanTools provide sequences with broad clinical applications value as well as sequences optimized for specific clinical applications. The post-processing and analysis packages complement the pulse sequence families with tools that enable the optimization of image quality or quantitative analysis.
Spin Echo and Fast Spin Echo are fundamental pulse sequence suites that enable the generation T1W, T2W and PDW contrast images. Fast Spin Echo uses an echo-train to collect multiple lines of data per repetition in order to reduce scan time as compared to standard SE and as a result has expended capability: T1W, T2W and PDW contrast images can be generated along with specialized T1W FLAIR and T2W FLAIR contrast. The FSE suite encompasses multiple techniques that enable optimized 2D and 3D imaging as well as single-shot and multi-shot imaging with increased slice coverage and minimal edge blurring. Fast Recovery techniques enable rapid T2W image, and inversion recovery techniques enable fluid suppressed T1 FLAIR, and T2 FLAIR imaging with enhanced gray and white matter contrast.
Gradient Echo and Fast Gradient Echo use short TR, short TE, variable flip angles and gradient refocusing to reduce scan time. Fast Gradient echo techniques further speed imaging with fractional RF and fractional readout. T1W. T2*Wand PDW contrast image scan be rapidly generated in 2D and 3D modes. The GRE suite encompasses multiple techniques that enable the optimization of contrast. Spoiler pulses enable optimized T1W imaging and Steady-State-Free-Precession enables fluid sensitive, heavyT2*W imaging. Dual echo enables fat/water in-phase and out-of-phase imaging in a single acquisition, and SPECIAL enables fat suppression for 3D T1W imaging.
Time-of-Flight is a gradient echo based suite of sequences optimized to exploit flow-related enhancement. The TOF suite uses short TR. short TE, variable flip angles and gradient refocusing to both reduce scan time and capture signal from flowing blood. Fast TOF techniques further speed imaging with fractional RF and fractional readout. TOF techniques enable optimized 2D and 3D imaging, 2D gated imaging, as well as Spoiler pulses for arterial flow enhancement.
BrainSTAT is a post processing tool for assessing cerebral blood flow (CBF), blood volume (CBV), mean transit time (MTT), and time to peak (TIP) in the brain. This automated tool may aid clinicians in assessment of patients with acute ischemic brain disease and evaluating lesion angiogenesis
3D Dual Echo is designed to overcome the challenge of obtaining detailed tissue characterization in abdominal imaging within a single breath-hold. It is an in-phase and out-of-phase acquisition technique that provides a higher signal-to-noise ratio (as compared to 2D), optimal contrast due to perfect co-registration of images, and multi-planar reformatting capabilities.
Phase Contrast is a gradient echo based suite of sequences optimized to exploit flow-related enhancement and extract velocity and directional flow information. The PC suite uses short TR, short TE, variable flip angles and gradient refocusing to both reduce scan time and capture signal from flowing blood or CSF as well as Velocity Encoding pulses to encode flow direction and speed. PC techniques enable optimized 2D, 3D and Fastcine imaging.
Echo Planar collects multiple segments of image data from a spin echo or gradient echo sequence and enables ultra-fast imaging. The EPI suite encompasses multiple techniques that enable optimized 2D and 3D imaging as well as single-shot and multi-shot imaging, Inversion recovery techniques enable fluid suppressed T2 FLAIR imaging.
FuncTool enables advanced post-processing for a broad range of MR applications. The suite of algorithms includes ADC and eADC mapping for diffusion imaging, and correlation coefficients for functional brain imaging. In addition, for contrast enhanced imaging the suite provides negative and positive enhancement integrals, signal enhancement ratio, maximum slope increase, maximum difference function and difference function. If PROBE and/or PROSE Spectroscopy are purchased, the FuncTool CSI options activate.
ClariView is a post-processing tool that uses a state-of-the-art adaptive filter algorithm to reduce noise and sharpen edges in MR images. The filter tool enables the user to select different levels of noise reduction and edge sharpening to enhance image display.
Multi-planar Volume Reformat is a post-processing tool that enables the manipulation of 3D volumetric MR data sets. The reformat tool enables the user to prescribe alternative viewing planes and volume thickness than the original scan plane and thickness. MPVR may enable the ability to reduce the number of total scans.
Interactive Vascular Imaging is a post-processing tool that enables the removal of the Back ground from MRA images. The IVI tool is embedded in MPVR and enables the user to generate maximum or minimum intensity projections in multiple viewing planes to enhance viewing of MRA images.
ScanTools Enhanced Features: The HDxt ScanTools package also provides optimized applications that further enhance clinical utility or make specific applications easier to perform.
BRAVO (BRAin VOlume) Imaging is an IR-prepared 3D Gradient Echo imaging technique that affords isotropic, whole-brain coverage with 1x1x1 mm resolution. Coupled with parallel imaging, this sequence produces superior gray-white matter contrast in just 2 to 3 minutes.
2D MERGE (Multi-Echo Recombined Gradient Echo) is a 2D imaging technique uniquely designed to image the C-spine. By acquiring and summing multiple gradient-echoes at various echo-times, MERGE improves gray-white matter contrast within the cord and provides excellent visualization of the neuroforaminal canals.
iDrivePro and iDrivePro Plus provides real-time interactive MR imaging that makes it easier to optimize and streamline scan prescription. The iDrive tool uses the 20 FGRE/FSPGR sequence and allows the user to change-on-the-fly geometric and image contrast scan parameters. Results can be evaluated immediately and bookmarked or saved. Scan locations can also be easily exported to pre-programmed protocols.
EchoPlus expands the Echo Planar suite enabling diffusion-weighted imaging for the detection of acute and hyper-acute stroke. EchoPlus uses motion sensing gradient pulses in three directions to generate isotropic diffusion-weighted images in conjunction with T2 FLAIR images. B-value selection ranges from 0 to 7000 s/mm2 on EchoSpeed and 0 to 10,000 s/mm2 on TwinSpeed providing the flexibility to balance diffusion sensitivity and background suppression. In addition, the DWI-EPI suite encompasses multiple techniques that enable single-shot and multi-shot imaging as well as multi-NEX capability and ASSET compatibility. EchoPlus images can be post-processing in FuncTool.
ASSET {Array Spatial Sensitivity Encoding Technique} is a parallel imaging technique that uses the geometry of multi-element coils to accelerate data collection and reduce RF deposition. As a result, the user may choose to reduce scan time, increase in-plane resolution, or increase slice coverage. ASSET is an option employed in conjunction with compatible pulse sequences that span a broad range of applications: 2D FGRE, eFGRE3D, 3D TOF-SPGR, 3D TOF-GRE, 2D-FSE-XL, 2D FRFSE, 2D-FSE-IR, SSFSE, 2D T1 FLAIR, DW-EPI and Diffusion Tensor. ASSET benefits body imaging by reducing breath-hold time, vascular imaging by enhancing spatial and temporal resolution and diffusion imaging by reducing echo-train length and susceptibility artifact.
ASSET enhancements - Parallel-imaging acceleration enhancements further reduce scan times for TRICKS, SWIFT, VIBRANT", and MR Echo.
SmartPrep enables both automated bolus detection and automated bolus chasing for time-course vascular imaging. SmartPrep uses a special tracking pulse sequence positioned over a blood vessel volume by the user to monitor MR signal intensity changes. Data acquisition is automatically triggered when the threshold signal intensity is reached. SmartStep adds automated table stepping for multi-station time-course vascular exams. SmartStep integrates scout series, graphic prescription, prescan ahead, automated bolus detection, table motion and coil switching. The SmartPrep suite is compatible with elliptic-centric encoding and ZIP reconstruction for optimum image quality.
FTMRA (Fluoro-Trigger MRA) enables real-time monitoring and manual triggering for vascular time-course imaging. FTMRA allows the user to view real time images of the area of interest and then manually trigger data acquisition at the optimum time. The switch overtakes less than one second. FTMRA eliminates the need to position a tracking pulse in areas that may prove challenging and puts the user in complete control of exam triggering.
2D FIESTA (Fast Imaging Employing Steady-state Acquisition) is a gradient echo technique that capitalizes on the residual transverse magnetization created by short TR to create images in which tissues with a high ratio of T2/T1 such as CSF and blood have high signal intensity. The result is fluid sensitive imaging, and this property yields high contrast between the blood and myocardium for cardiac imaging.
2D Fat Sat FIESTA combines 2D FIESTA (Fast Imaging Employing Steady-state Acquisition) with fat saturation for fluid sensitive fat suppressed body imaging. As with 2D FIESTA, tissues with a high ratio of
T2/T1 such as water and blood have high signal intensity. The addition of a chemical fat saturation pulse eliminates competing signal from fatty tissues for optimized fluid-sensitive body imaging.
3D FIESTA and FIESTA-C (Fast Imaging Employing Steady-state Acquisition) combines 3D volumetric data acquisition with fluid sensitive steady-state imaging. Tissues with a high ratio of T2/T1 such as CSF and blood have high signal intensity, and the 3D volumetric acquisition enables high resolution imaging of small structures such as the internal auditory canal, middle ear or joints. FIESTA-C adds phase cycling to the excitation pulse in order to minimize the build-up of artifacts in the residual transverse magnetization.
3D Fat Sat FIESTA (Fast Imaging Employing Steady-state Acquisition) combines 3D volumetric data acquisition with fluid sensitive steady-state imaging and fat saturation for coronary artery imaging. The 3D volumetric acquisition enables high resolution imaging of small structures such as the coronary arteries in a short breath-hold time. The addition of a chemical fat saturation pulse eliminates competing signal from fatty tissues surrounding the coronary arteries.
Double-Triple IR-FSE adds inversion recovery pulse and chemical fat saturation capability to the Fast Spin Echo sequence for black-blood and morphological cardiac imaging. The inversion pulse is optimized to suppress blood flow artifact end can be used alone or in conjunction with chemical fat saturation. The addition of a chemical fat saturation pulse eliminates competing signal from fatty tissues surrounding the heart and coronary arteries.
ConnectPro is designed to significantly improve productivity, reduce manual transcript errors, and synchronize scan options. ConnectPro enables the 3.0 DICOM worklist server class for the MR system. ConnectPro makes it possible to query a DICOM compatible HIS/RIS by name, modality, or schedule date and download patient demographics directly to scanner. The ConnectPro package also includes Performed Procedure Step which automatically notifies the HIS/RIS and PACS systems of procedure status. Separate gateway hardware may be required to connect non-DICOM compatible HIS/RIS systems.
LAVA (Liver Acquisition with Volume Acceleration) is a 3D spoiled gradient echo technique optimized for multi-phasic liver imaging. LAVA combines in-plane ASSET acceleration (up to 3X), partial data filling and shortened TR to enable higher resolution and more coverage with less scan time than previously possible. The acceleration techniques used by LAVA enable reduced scan time and extended coverage without compromising in-plane resolution, and the result is high quality axial and reformatted images. LAVA also uses an optimized inversion pulse and a view ordering technique that yields enhanced image contrast and robust, uniform fat suppression. As a result, LAVA enables reliable, high quality liver imaging in a short breath-hold.
Signa 1.STEchoSpeed Mobile Magnet and Gradient Module
With its uniquely contoured system enclosures, the compact 1.5T Signa superconducting magnet offers superb homogeneity; and it includes 18 GE-designed superconducting shim coils to further improve homogeneity, particularly for fat saturation with large or off-center fields of view. The magnet’s active shielding minimizes the stray ambient magnetic field to increase safety and minimize interference with equipment operation. The combination of a wide, 60-cm-diameter bore and a patient table assembly that rests close to bore bottom creates ample room even for large patients. Innovative K4 cooling technology prevents helium boil-off while making refills an extremely rare occurrence.
The Gradient Module installed within the magnet bore consists of three gradient coils and the quadrature transmit/receive body RF coil. Each gradient coil is designed to change magnetic-field strength linearly with increasing distance from the center of the magnet by as much as 33 mT/m.
1.5T and OpenSpeed Magnet Compressor for CXK4 Fixed, Relocatable & Mobile Systems
Compressor designed for CXK4 magnet subsystems for 0.7T or 1.5T and compatible with fixed, relocatable and mobile magnet configurations. Compressor is water cooled and all water cooling systems must be a closed loop design to eliminate the possibility of magnetic contaminants entering into the system.
COSMIC (Coherent Oscillatory State acquisition for Manipulation if Image Contrast)
Cosmic is a 3D imaging technique specifically tailored to C-spine studies. Its unique fluid-weighted contrast yields improved visualization of the cervical nerve roots and intervertebral disks
HD PROPELLER
PROPELLER (Periodically Rotated Overlapping ParallEL Lines with Enhanced Reconstruction) is a revolutionary data collection technique used in conjunction with the" Fast Spin Echo pulse sequence. The name reflects the unique pattern that acquires radial blades of image data rotated in sequence until data acquisition is complete. The redundant data creates images with unusually high contrast-to-noise ratio as well as makes the sequence insensitive to motion artifacts on T2and T2 FLAIR sequences and insensitive to susceptibility artifacts on DWl sequences. The result is high quality T2and T2 FLAIR images of the brain even when the patient fails to remain still, and high quality DWl images in the presence of dental work or surgical hardware. As a result, PROPELLER enables reliable, high quality brain imaging.
TRICKS
TRICKS (Time Resolved Imaging of Contrast KineticS) uses segmented temporal sampling and complex data recombination to accelerate 3D dynamic vascular imaging without compromising spatial detail. TRICKS also uses elliptic centric data collection for optimized contrast resolution and auto-subtraction for optimized background suppression. The result is time course imaging that does not require timing or triggering, provides high temporal and high spatial resolution, and enables the extraction of optimum phases of data. As a result, TRICKS enables reliable, high quality vascular imaging.
PROBE PRESS Single-Voxel Spectroscopy
PROBE PRESS enables single-voxel proton brain spectroscopy using the PRESS pulse sequence. PROBE PRESS acquires and displays volume localization, water suppressed 1H spectra in a single-voxel mode for the non-invasive assessment of invivo metabolites. Graphic prescription of the spectroscopic volume and automated reconstruction makes this tool easy to use.
PROBE 2D CSI
PROBE 2D CSI expands proton brain spectroscopy capability enabling simultaneous acquisition of multiple in-plane voxels. PROBE 2D CSI uses the PRESS pulse sequence to acquire and display volume-localization, water suppressed 1H spectra in a multi-voxel mode for the non-invasive assessment of invivo metabolites. Metabolite maps are automatically generated in FuncTool on the operator console.
COIL PACKAGE
1.5T 8-Channel Neurovascular Array
Designed for use with 1.5T 8- and 16-channel MR systems, the 8-Channel Neurovascular Array enables combined head-and-neck imaging without the need for patient repositioning.
The coil is optimized for ASSET parallel imaging in a wide range of soft-tissue neck, skull-base and brain studies. Its head portion generates high-SNR brain images with uniform coverage. For vascular imaging, the coil delivers coverage from the aortic arch to the circle of Willis. And it is excellent for a wide range of additional applications, including imaging of the cervical spine, as well as soft-tissue neck and carotid applications.
The coil's removable top has multiple openings and an adjustable mirror to reduce claustrophobia and facilitate patient positioning.
1.5T 8-Channel Brain Array
The 1.5 T Brain Array is designed for high definition MR imaging of the brain. The 8-element quadrature phased array provides 30cm of coverage enabling anatomical and vascular imaging of the brain. The array is optimized for use with ASSET acceleration for enhanced Neuro imaging.
1.5T 8-Channel CTL Array
This 12-element, multi-station CTL array delivers high SNR and spatial resolution for entire spine, soft-tissue neck, and carotid studies. This 8-channel array is designed to conform to the spine's normal curvature and includes a patient comfort pad and restraint. Its extensive coverage – 75 cm in the S/I direction - accommodates imaging of the entire spine.
The coil's unique split-top design extends its clinical flexibility. Its removable top facilitates routine neck imaging, capturing both the cervical spine and anterior neck. Coil markers make accurate positioning at imaging isocenter surprisingly quick and easy.
1.5T 8-Channel Body Array
The 8-Channel Body Array is designed for high definition MR imaging of the chest, abdomen and pelvis on 8- or 16-channel 1.5T MR systems. This 12-element, quadrature phased-array coil provides extensive coverage, enabling multi-station anatomical and vascular imaging of the chest-abdomen or abdomen-pelvis without repositioning the coil. The array is optimized for use with ASSET acceleration for enhanced breath-hold imaging procedures.
1.5T 3-Channel Shoulder Array
The 1.5T 3-channel Shoulder Array offers the increased signal-to-noise characteristic of phased-array technology, along with a unique sleeve design that delivers exceptional joint-imaging capabilities. The coil provides clear definition of the shoulder joint, specifically the head of the humerus, clavicle, acromion, supraspinatus muscle and ligaments. Patient comfort pads and restraining straps are included.
1.5T 8-Channel Knee Array
The 1.5T T/R Knee Array is designed for high definition MR imaging of the knee on 8-channel or 16-channel 1.5T MR systems. This array uses unique hybrid technology using separate birdcage coils for transmit and receive functions. Designed uniquely for GE, the 8-element receive coil delivers 30% to 100% more SNR than the standard extremity coil. The array is compatible with PURE for uniform signal intensity and ASSET for accelerated imaging speed.
1.5T Dual Array Package with Adapter
The Dual Array Package includes two 3-inch General Purpose Coils, two General Purpose Flex Coils, one Dual Array Adapter, one Medrad TMJ Positioning Device, and one Eye and Ear Surface Coil Holder.
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Return Policy
Items are sold as-is with no returns or refunds available unless explicitly stated.
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