Pro-DigiMAM
Modular Digital Mammography Phantom - Diagnomatic by Pro-Project - 03-301, 03-302

Pro-DigiMAM from Diagnomatic by Pro-Project uses interchangeable modules to evaluate digital mammography image quality, with dedicated options for tomosynthesis.

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Models and Ordering

It can be used to test

• optical density / luminance in the reference point
• spatial resolution
• threshold contrast visibility
• contrast
• effective radiation field
• automatic exposure timer
• CNR, SNR
• NPS
• MTF
• ghosting
• filaments
• artefacts evaluation
• geometric distortion check
• contrast details

Specifications

• dimensions: 240 x 180 mm or 300 x 240 mm
• modular construction – different modules can be firmly placed on the main module
• optional carrying case (03-322)

Main module (03-303)

• Set of PMMA attenuation plates: 6x 10 mm thick and 2x 5 mm thick; one plate contains marking of the reference point.

Ghosting module (03-304)

• 10 mm thick module containing a 30 x 30 x 0.1 mm aluminium filter for a ghost test

MTF module (03-305)

• 10 mm thick module containing a straight stainless steel edge accurate to ±2 μm at a 3° angle

Filaments module (03-306)

• 10 mm thick module containing 6 groups of multi-directional filaments 0.40 mm to 0.20 mm in diameter

Artefacts evaluation module (03-307)

• 10 mm thick module containing a mesh for artefacts evaluation

Geometric distortion module (mesh) (03-308)

• 10 mm thick module containing a wire mesh of horizontal, vertical and diagonal lines (45°)

Contrast detail module (03-309)

• 20 mm thick module containing gold (99.99%) discs organized in a 7x14 matrix (diameter x thickness).
• Discs have the following diameters: 0.1, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0 mm and 14 thicknesses ranging from 0.03 to 2.0 μm.
• Thickness accuracy: 1 nm (0.001 μm), diameter accuracy 0.001 mm (1 μm).

Resolution and geometry module (03-310)

10 mm thick module containing:

• pattern for the line pair resolution evaluation (from 1.5 to 20.0 LP/mm) rotated 45°
• 8 low contrast objects (ø5.5 mm and depth from 0.1 mm to 0.45 mm)
• 3 objects of a different absorption level
• pattern for evaluation of the effective radiation field

CNR module (03-311)

• 10 mm thick module containing a 20 x 20 x 0.2 mm aluminium filter, located 6 cm from the chest side

Geometry distortion module (scales) (03-312)

• 10 mm thick module containing a grid with scales

Spacers sets (03-314)

180 x 15 mm or 240 x 15 mm PMMA plates:

• 4 pieces 10 mm thick
• 2 pieces 8 mm thick
• 2 pieces 5 mm thick
• 2 pieces 2 mm thick

Noise evaluation module (03-315)

• 2 mm thick aluminium plate 200 x 200 mm

Compensation module (03-316)

• set of 10 PMMA plates 40 x 20 x 2 mm

Full Field ACR Accreditation module (03-317)

• 14 mm thick module containing a wax insert as in Pro-MAM Accreditation FF (when used with 3x10 mm plates from main module simulates 42 mm compressed breast of average glandular/adipose composition).

ACR Accreditation module (03-319)

• 14 mm thick module containing a wax insert as in Pro-MAM Accreditation (when used with 3x10 mm plates from main module simulates 42 mm compressed breast of average glandular/adipose composition).

Dynamic range module (03-320)

• 10 mm thick module containing Al step wedge with 14 steps from 0.0 to 5.2 mm

Tomosynthesis dedicated modules

NPS attenuator

• 2 mm thick high purity aluminium filter

MTF module

• 10 mm thick module containing a stainless steel square (50 x 50 mm) with straight edges accurate to ±2 μm rotated 3°

Z-resolution module

• 5 mm thick module containing 25 aluminium spheres 1 mm in diameter arranged in an array with 55 mm cell

Wire MTF module

• 15 mm module containing 25 μm tungsten wire at a 3° angle 60 mm from the chest wall

Protective steel plate

• 2 mm stainless steel plate 240 x 300 mm covering the whole image receptor

Spacers set

• Two 240 x 20 x 30 mm spacers for appropriate positioning of test modules

Features and Test References

• complies with:
  – IEC 61223-3-2
  – “European Guidelines for Quality Assurance in Mammography Screening” plus supplement
  – Protocol for the Quality Control of the Physical and Technical Aspects of Digital Breast Tomosynthesis Systems - EUREF
• CE marked
• Includes a manual covering the tests, result evaluation and recording.

Related Products

• Pro-MAM Accreditation