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StarGuide™ GX 4D SPECT/CT

Our Gamma eXtended 4D SPECT/CT combines innovative dsCZT technology with dual-sided gamma detection to deliver full-spectrum1 static and dynamic imaging with exceptional image quality and fast scan time2

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At a glance

All energies detected1

Expand your routine / theranostics procedures and research into new therapies

>2.5 X sensitivity2

Scan without trade-offs between ultra-high sensitivity and excellent resolution

Exceptional versatility

Fast, static and dynamic SPECT and advanced CT from an all-in-one 4D SPECT/CT

<3-sec collimator exchange

Low/medium or high energy collimation is automatically selected by the system

StarGuide GX brings together a whole new dimension of possibilities all within one 4D SPECT/CT. The next-generation dsCZT detector delivers exceptional static and dynamic image quality for low, medium, as well as high energies, including alpha emitters.

In today's rapidly evolving world of personalized care, physicians need the freedom to choose the most appropriate treatment for each patient without technical limitations. GE HealthCare scientists invented a dual-sided CZT detector module to capture a broad energy range. Thanks to our in-house CZT Center of Excellence, StarGuide now delivers Gamma imaging eXtended across the full spectrum.1

See more with our Cadmium Zinc Telluride (CZT) technology

GE HealthCare is proud to be a pioneer in 4D SPECT/CT. This success is built on more than 15 years of experience developing an expertise and infrastructure that enables us to grow countless quality-controlled CZT crystals and manufacture thousands of CZT detectors every year. GE HealthCare is the only SPECT manufacturer that has both a complete in-house CZT supply chain and detector production line. StarGuide GX’s detectors with integrated dual collimators are capable of achieving better energy3 and spatial4 resolution and offer higher volume sensitivity5 than conventional analog NaI-based scanners. 

Auto-rotating collimators

Efficiency is everything. See how StarGuide GX's auto-rotating collimator design addresses workflow and patient care needs.

Don't trade out collimators anymore

Time-consuming collimator exchanges are replaced by StarGuide GX's auto selection between a low/medium energy collimator and a high-energy collimator, reducing workflows from minutes to seconds.
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< 3 seconds is all it takes to go from low/medium to high energy scans

Detector side A is a high-sensitivity, high-resolution collimator optimized for low and medium energy isotopes (e.g. 99mTc). Side B is high-sensitivity, high-resolution optimized for high energies (e.g. 131I).
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Focus on patients and leave auto collimator selection to StarGuide GX

Every minute spent moving collimators is a minute away from patient care. The < 3-second auto collimator rotation helps ease your staff's physical labor and puts an end to this procedure interruption.
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Our collimators fundamentally transform daily workflow efficiencies

Moving heavy high-energy collimators in and out on carts is inefficient. The time and space taken up by this method are freed up by auto rotation, helping simplify and add flexibility to scheduling.
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Our innovative collimators are built to make a difference in greater sensitivity and improved image quality 2 3 4 5

 

Molded lead collimators typically have imperfections. GE HealthCare uses high-quality and consistent additive manufacturing to produce StarGuide GX collimators made of tungsten for great precision in hole shape, hole size and CZT pixel registration. Tungsten’s superior density over lead minimizes gamma penetration, helping deliver clearer, more accurate SPECT images. Lowering septa penetration background noise is important for enhancing contrast and image quality. Clinicians can have greater confidence that the detected signals were emitted from the radiopharmaceutical’s actual location. 

Can your current SPECT/CT system support the growing demand for theranostics imaging?

Optimized for theranostics, StarGuide GX is a future-defining catalyst helping SPECT/CT technology push theranostics forward. StarGuide GX produces scans with exceptional image quality and accurate quantitation in short scan times to help you make the personalized care decisions that are at the heart of theranostics. Theranostics procedures are becoming more and more common, and daily patient volume constantly grows more demanding.6A For many nuclear medicine departments, theranostics SPECT/CT is becoming a regular practice anticipated to help address the growing wave of new treatments.6B, 6C Make StarGuide GX the cornerstone of your theranostics practice as you build up or build out to meet the influx of these advanced procedures. 
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Ring-shaped 12-detector gantry

Body-orbiting detectors for optimized proximity

Each detector automatically swivels into position as near as possible to the region of interest. StarGuide GX's ability to adjust the proximity of the detectors to the patient’s body as closely as it does, and from all necessary angles, leads to remarkable image quality, volume sensitivity and spatial and energy resolutions. This proximity provides impressive detail not easily obtained by dual-head SPECT/CT.
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Advanced CT capabilities

High-speed, low-dose7 imaging at full 40 mm coverage that will change how you conduct CT exams

StarGuide GX’s 128 slice8 CT achieves twice the coverage of the CT of other hybrid systems9, translating into an overall fast CT scan time with the potential for fewer patient moves and increased efficiency. It sets you up to offer a broader mix of advanced CT procedures, cardiac in particular. Support for high BMI patients is enabled by MaxFOV2.
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Get in touch

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References

1. Up to 500 KeV

2. Improved sensitivity: StarGuide GX with Low-Med Energy collimator compared to NM/CT 870 DR with LEHRS collimator. Based on system volume sensitivity measured per NEMA NU-1 2023, with adaptations for StarGuide GX. 

3. Improved energy resolution: StarGuide GX with Low-Med Energy collimator compared to NM/CT 870 DR with LEHRS collimator. Energy resolution measured per NEMA NU-1 2023 using 99mTc and with adaptations for StarGuide GX.

4. Improved spatial resolution: StarGuide GX with Low-Medium Energy collimator compared to NM/CT 870 DR with LEHRS collimator. SPECT resolution with scatter measured per NEMA NU-1 2023 using 99mTc and with adaptations for StarGuide GX. SPECT reconstruction used clinical bone reconstruction. Central, Radial, and Tangential

5. Improved volume sensitivity: StarGuide GX with Low-Med Energy collimator compared to NM/CT 870 DR with LEHRS collimator. System volume sensitivity measured per NEMA NU-1 2023, with adaptations for StarGuide GX.

6A. Growth projections from Frost & Sullivan.

6B. MEDraysintell 2021; Link: U.S. Healthcare Professionals site.

6C. Therapies and radiopharmaceuticals may be in clinical trial and/or not approved in all countries. Regulatory status should be confirmed with the relevant authority in each country.

7A. ASiR-V reduces dose by 50% to 82% relative to FBP at the same image quality (Image quality as defined by low contrast detectability).

7B. In clinical practice, the use of ASiR-V may reduce CT patient dose depending on the clinical task, patient size, anatomical location, and clinical practice. A consultation with a radiologist and a physicist should be made to determine the appropriate dose to obtain diagnostic image quality for the particular clinical task. Low Contrast Detectability (LCD), Image Noise, Spatial Resolution and Artifact were assessed using reference factory protocols comparing ASiR-V and FBP. The LCD was measured using 0.625 mm slices and tested for both head and body modes using the MITA CT IQ Phantom (CCT183, The Phantom Laboratory), using a model observer method.

8. Using overlapped reconstruction 

9. As compared to NM/CT 870 DR with Optima 540 CT

*StarGuide GX is CE marked. Not approved or cleared by the US FDA. Not available for sale in the United States.