Spectral CT Phantom

Versatile Phantom for Multi-Energy CT Applications

Developed to meet the rigorous demands of CT quality assurance, the Spectral CT Phantom enables precise calibration and performance testing across a wide range of applications in clinical research and multi-energy CT imaging.

Key Advantages

Photon Counting CT

This is a cutting-edge solution designed for advanced multi-energy CT imaging, including PHOTON COUNTING CT protocols in addition to all available spectral CT protocols. All materials tested on NAEOTOM Alpha.

Iodine / CaHA Levels

Featuring tissue-equivalent materials and iodine/CaHA inserts to support multi-energy CT imaging and scanner performance testing.

Compliance

Ideal for various MECT technologies and adheres to AAPM TG-299 standards for establishing quality assurance (QA) programmes in clinics.

Applicational Benefits

Combination with other QRM Phantoms
Spectral CT II Phantom (QRM-10147)
8 holes and multiple test inserts
Combination with other QRM Phantoms

The Spectral CT phantom can be used in combination with the QRM Thorax Phantom (QRM-20100) or the QRM Abdomen Phantom (QRM-20118)

Spectral CT II Phantom (QRM-10147)

Applications

Perform a material characterization and quantification of tissue-equivalent materials.

Decompose Iodine and CaHA levels.

Test the post-processing techniques of spectral CT.

8 holes and multiple test inserts

Flexible positioning of the multiple test inserts

A set with a total of 12 test rods includes different concentrations of Iodine and Ca-Hydroxyapatite (CaHA) as well as water- and soft tissue-equivalents (adipose, muscle, bone, and lung according to ICRU Report 44 and 46). Additionally, inserts with other concentrations or materials can be ordered optionally.

Tissue-Equivalent Materials for Spectral CT Protocols

 

Iodine and CaHA Inserts for Spectral Calibration

 
The 100 mm cylinder contains 8 holes to house different solid rods and fillable tubes that can be used with water or contrast media. Mass density, electron density and the effective atomic number are provided for all materials.
 

 

 

D100 Compatible

The diameter of the Spectral CT Phantom is 100 mm, so it can be used with our other phantoms such as Thorax Phantom (QRM-20100), Abdomen Phantom (QRM-20118), Oval Body Phantom, Tissue (QRM-20115), CTwater (QRM-20116).
 
Adipose tissue can be simulated using either the combination (e.g., Thorax Phantom / Abdomen Phantom + Spectral CT Phantom) together with extension rings, or by using the Spectral CT Phantom alone with specially designed water-equivalent extension rings (QRM-10141, diameter: 160 mm or QRM-10142, diameter: 320 mm).

Technical Specifications

Phantom diameter: 100 mm
Phantom height: 103 mm
Phantom weight: 1.0 kg
Body material: Body material: Water-equivalent (CTwater, app. 0 HU at 80 - 140 kV *)
Holes (Ø 20 mm): 8 pcs.
Insert diameter: 20 mm
Insert height: 103 mm
8 plugs CTwater 0 HU at 80 - 140 kV*    
12 test rods:      
  1x ICRU Adipose tissue    
  1x ICRU Muscle tissue    
  1x ICRU Lung tissue    
  1x ICRU Liver tissue    
  4 different solid Iodine rods (CTIodine)** 2, 5, 10 and 15 mg I/cm³  
  4 different CaHA rods (bone)** 100, 200, 400 and 800 mg CaHA/cm³  
2 fillable rods/tubes      
*Accuracy ± 5 HU of specified values.
**Specified values. Nominal values can vary with respect to manufacturing method and imaging device! 

Spectral CT Phantom II, QRM-10147

Image Gallery

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Spectral CT Phantom II (QRM-10147) with iodine and ICRU Tissues
2 / 5
Spectral CT Phantom combined with Abdomen Phantom (QRM-20118) for scanner calibration
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Schematic view of the Spectral CT Phantom
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Spectral CT Phantom with optional rings D160 and D320
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Phantom dimensions, D100 cylinder, ICRU rods and fillable rods

Related Products

Multi-Energy QA Phantom

For testing different types of Multi-Energy, Dual-Energy and Photon-Counting CT Protocols

Dual Energy CT Phantom

For the evaluation of different DE post-processing techniques, quality assurance and scanner performance

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