Pro-CT 110
Modular CT QA Phantom - Diagnomatic by Pro-Project

Pro-CT 110 from Diagnomatic by Pro-Project combines CT image-quality test modules in a compact 110 mm diameter cylinder.

Click a photo or illustration to enlarge it.

• Geometric distortion
• CT number (HU) measurement
• Noise / Uniformity
• Artefacts
• MTF
• SSP, LSF, PSF
• CNR
• Spatial resolution
• Contrast resolution
  
• Low contrast resolution
• Slice profile
• Alignment
• Linearity
• Beamwidth

Specifications

(can be modified to customer specifications):

Main module

• outside diameter: 110 mm
• length: 200 mm
• contains a PMMA section - lid with an array of holes 2mm in diameter, 10 mm deep, placed at 10 mm intervals on one end
• on the opposite end of the body, a homogeneous module is permanently attached

Homogenous module

• diameter: 100 mm
• thickness: 20 mm
• made of PMMA
  

Low contrast module

• diameter: 100 mm
• thickness: 20 mm
• made of PMMA
• contains low-contrast objects: rods of the same density, 10 mm in height and with diameters 2, 3, 4, 6, 8, 10, 12 mm (contrast difference between groups and surrounding material is 0.3, 0.6 and 1%)

Sensitometry/contrast module

• diameter: 100 mm
• thickness: 20 mm
• contains 6 sensitometric samples shaped like rods (ø15 mm): PTFE, LDPE, POM-C, air, plastic water equivalent and PMMA module's body

Geometry module

• diameter: 100 mm
• thickness: 20 mm
• contains a pair of aluminium wire ramps whose slope angle tangent is equal to 0.5

Spatial / high-contrast resolution module

• diameter: 100 mm
• thickness: 20 mm
• contains 19 concentrically placed high-contrast elements for spatial resolution evaluation from 4 to 22 LP/cm

LSF/PSF module

• two tungsten carbide beads ø0.2 mm for MTF and SSP calculation
• Linear Spread Function (LSF) PTFE / PMMA interface
• Point Spread Function (PSF) - 0.025 mm stainless steel wire in air

Water-filled module

• diameter: 100 mm
• thickness: 23 mm
• screw for easy filling and emptying procedures

Accessories

• optional carrying case

Features and Test References

• complies with:
  - IEC 61223-3-5
  - IEC 61223-2-6
  - AAPM guidelines or ACR guidelines
• Includes a manual covering the tests, result evaluation and recording.