GE HealthCare Signa Vibrant 1.5T
GE HealthCare · Model Signa Vibrant 1.5T
Lays the foundation for a complete solution with a superior combination of high spatial detail and scanning speed. Uses the GE exclusive GEM acceleration technique to further accelerate the scanning speed of GE's patent pending VIBRANT technique. With VIBRANT-XV users can acquire higher resolution faster. VIBRANT-XV still allows the choice of direct sagittal or axial imaging making it easy for users to satisfy clinicians, and automatically optimizes parameters making it easy for user technologists to give users consistent image quality. Collects two echoes with water and fat, spins in- and out-of-phase and utilizes a two-point Dixon technique to synthesize water and fat images. Vibrant-Flex optimizes acquisition with a high signal-to-noise ratio (SNR) for acquiring high quality water and fat images. This capability lets the user prescribe thinner slices for high spatial resolution imaging. Image both breasts in high resolution in one patient visit. Perform a bilateral breast exam in both the sagittal and axial planes with the same resolution and scan time as a single-breast MR study. Obtain high temporal resolution without sacrificing spatial resolution. Eliminate fat with absolute reliability and confidence. Utilize the bilateral breast imaging technique that is the most sensitive to their patients' diagnostic needs. Perform procedures that can have a positive economic impact on their practice. Enhances diagnostic confidence by improving the ability to characterize lesions and monitor response to therapy. It is a breast-specific, single-voxel spectroscopy application designed for ease-of-use and enhanced visualization. A single voxel spectroscopy technique that has been designed specifically for the breast. It is designed to enhance their diagnostic confidence and uses an optimized signal detection technique to reliably visualize the presence, or absence, of a choline peak. In addition, BREASE is easy to use – the technologist simply places the voxel over the area of interest. The Vanguard Breast Table developed and sold by Sentinelle Medical - is a unique solution with a Variable Coil Geometry (VCG) for optimal positioning of coil elements. HD Breast Array provides approximately 30% more SNR than exams done without the HD Breast Array, enhancing the performance of VIBRANT and providing excellent lateral and medial access for biopsy procedures. 8-channel HD Breast Array 8-channel, 8-element phased array design Optimized for parallel imaging techniques Biopsy compatible for both medical and lateral approaches PURE compatible CADStream by Confirmation automatically generates the post-processed series and helps identify the most suspicious washout curves. Sureloc, included with CADstream, enables productive planning of MR-guided biopsies from the console.
Key tips
- ·Never bypass a radiation interlock to "just get the image" - this is one of the few true zero-tolerance rules in BMET work.
- ·Trend image-quality phantom results over time - drift shows up before an outright failure does.
- ·Portable/mobile units take real physical abuse from transport - check wheel locks and cable strain reliefs more often than fixed units.
Typical Failure Modes
Failure patterns typical of this equipment class - general BMET reference, not verified against this exact unit's own service history unless flagged. Severity is a category-level estimate.
Helium / cryogen pressure fault
HighSymptoms: Cold-head fault, quench alarm.
Root cause: Cold-head compressor wear or helium loss.
Gradient coil overheating
HighSymptoms: Sequence abort, thermal alarm.
Root cause: Cooling loop restriction or coil wear.
RF coil element failure
MediumSymptoms: Signal dropout, noise-band image artifact.
Root cause: Coil element or cable damage.
Recon / system software hang
LowSymptoms: Frozen console, acquisition timeout.
Root cause: Workstation or RAID degradation.
Serviceable Parts & Consumables
The parts a BMET typically services on this class of equipment. Service class and relative cost are general engineering estimates for the category, not figures from this unit's documentation. Part numbers appear only when pulled from this unit's own service manual. Always confirm intervals and pricing against the manufacturer.
Gradient coil cooling pump
Class Periodic replacementRel. cost $$$R&R Difficult
Workstation RAID / GPU
Class Periodic replacementRel. cost $$$R&R Difficult
RF receive coil
Most-replaced patient-facing component.
Class Major service partRel. cost $$$$R&R Moderate
Cold head / compressor
Critical for magnet cooling.
Class Major service partRel. cost $$$$R&R Expert-level
| Part | Service class | Relative cost | R&R difficulty |
|---|---|---|---|
| Gradient coil cooling pump | Periodic replacement | $$$ | Difficult |
| Workstation RAID / GPU | Periodic replacement | $$$ | Difficult |
| RF receive coil Most-replaced patient-facing component. | Major service part | $$$$ | Moderate |
| Cold head / compressor Critical for magnet cooling. | Major service part | $$$$ | Expert-level |
Relative cost: $ lowest · $$$$ highest service-part cost for this equipment class. Not a price.
PM Checklist
Preventive-maintenance tasks typical of this equipment class. Perform to the manufacturer's procedure and your facility's policy - this is general reference, not a schedule for this specific unit.
- ·Daily QC per modality: image-quality phantom test
- ·Tube and detector inspection
- ·Annual state-required radiation safety survey
- ·Vendor-scheduled preventive maintenance
Troubleshooting Approach
A structured starting point derived from the failure modes above. Follow the manufacturer's service documentation for the actual procedure.
Symptom: Helium / cryogen pressure fault
- Confirm the presentation - typically cold-head fault, quench alarm - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: cold-head compressor wear or helium loss.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the rF receive coil per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Symptom: Gradient coil overheating
- Confirm the presentation - typically sequence abort, thermal alarm - and note the exact alarm or message and the conditions when it occurs.
- Check the most likely cause first: cooling loop restriction or coil wear.
- Isolate the affected subsystem using the manufacturer's functional check or self-test, where one is provided.
- If the fault is confirmed and not a field adjustment, service or replace the cold head / compressor per the manufacturer's service documentation.
- Return the device to service only after the manufacturer's functional and applicable electrical-safety checks pass.
- Record the findings, any parts used, and the verification results in the maintenance history.
Technical Specs
- Clinical Use
- Whole Body
- Magnetic Field Strength
- 1.5 T
Typical Location
Where this class of equipment is typically deployed - general reference, not this unit's own placement record.
- Radiology / Imaging department
- Emergency Department (portable units)
- Operating Room (C-arms)
- Cath lab
- Bedside ICU (portable X-ray)
Documents & Manuals
No documents available for this device yet.
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