Pro-DigiMAM

This versatile phantom can be used for monitoring technical parameters of digital mammography imaging systems according to the requirements of the ”European Guidelines for Quality Assurance in Mammography Screening” and IEC 61223-3-2.

‍

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

‍

Technical data (can be modified to customer 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

‍

Product features:

• complies with:
  – IEC 61223-3-2
  – ”European Guidelines for Quality Assurance in Mammography Screening” plus supplement
  – Protocolfor the Quality Control of the Physical and Technical Aspects of Digital BreastTomosynthesis Systems - EUREF
• CE certified
• the manual provides detailed guidelines for carrying out each test, results assessment and registration