A compact CT image quality testing solution

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The Pro-CT MINI phantom is a compact CT image quality testing solution. When connected with Pro-CT Dose it may be used for carrying out acceptance and constancy tests of computed tomography systems according to IEC 61223-3-5 and the AAPM (American Association of Physicists in Medicine) guidelines. This phantom consists of a module 16 cm in diameter with positioning aids and recesses for test modules.

When used Pro-CT Dose the phantom can be used to do the following tests:

  • geometric distortion

  • CT number (HU) measurement

  • noise / uniformity

  • artefacts

  • MTF

  • spatial resolution

  • contrast resolution

  • low contrast resolution

  • slice profile

  • alignment

  • linearity

  • beamwidth


  • complies with:

    • IEC 61223-3-5

    • IEC 61223-2-6

    • AAPM guidelines

  • CE certified

  • the manual provides detailed guidelines for carrying out each test, results assessment and registration


Technical data (can be modified to customer specifications):‍

  • main module:

    • diameter 160 mm

    • thickness 30 mm

    • 9 recesses for test inserts allow customized placement of test objects in space

    • markings for easy and accurate positioning in the CT scanner

    • set of holes on a given depth for testing geometry, distortions and slice position

    • screws and extra plugs for mounting the module on any Pro-CT Dose Phantom (04-319)

  • standard test inserts:

    • 5 contrast resolution inserts containing rods made from different materials: LDPE, PTFE, POM-C, air, plastic water equivalent. Diame ters of rods in each insert are: 2, 4, 6, 8, 10, 12, 14 mm

    • high contrast resolution inserts containing 11 aluminium test elements for spatial resolution evaluation from 1 to 11 LP/cm

    • 2 geometry modules containing two pairs of aluminium wire ramps whose slope angle tangent is equal to 0.5

    • Linear Spread Function (LSF) insert – PTFE / PMMA interface

    • Point Spread Function (PSF) insert – 0.25 mm tungsten steel wire in air

      optional inserts (04-404):

    • 3 low contrast inserts containing rods with a diameter: 2, 4, 6, 8, 10, 12, 14 mm. The contrast difference between the rods and the surrounding material are 0.3, 0.6 and 1%

    • 3 high contrast resolution inserts containing 19 aluminium test elements for spatial resolution evaluation from 12 to 30 LP/cm

  • carrying case

Item Number

SCC-04403 Pro-CT MINI