Products Description

Rectangular MRI phantom simulating attenuation of the human spine.

It can be used to measure :
Geometric Distortion
Spatial Resolution
Slice thickness and position
Interslice Gap
T1 and T2 values
Estimate of Image Bandwidth

Low Contrast Detectability
Image Uniformity
Signal-to-Noise Ratio (SNR)
Physical and Electronic Slice Offset
Point of reference
Bandwidth: water-fat shift

Technical data (can be modified to customer specifications) :
slice thickness insert :
- 180 x 46 x 10mm PMMA plate
- 1mm wide and 5mm deep counter-descending slits on both sides
- slits form two ramps descending at 1:10 geometric distortion insert:
- 10 x 10 array of squares
- 148mm on a side
- 10mm thick
Outside cylinder diameter: 220mm (180mm)
Outside cylinder height: 150mm
Inside cylinder diameter: 204mm (173mm)
Inside cylinder height: 130mm
Filled with 10 mmol nickel chloride solution containing
Sodium chloride 75 mmol
T1 and T2 sample vials
- 6 cylindrical vials Ø19 x 41mm
- Refillable from outside
- By default filled with 20 mmol nickel chloride and 15 mmol sodium chloride solution
Low contrast insert :
- 4 polycarbonate discs 0.05, 0.1, 0.15 and 0.2mm in thickness
- Partial volume contribution of these sheets and filling solution produce contrasts: 1.4, 2.5, 3.6 and 5.1%
- Each disc contains 12 groups of 3 holes arranged in spokes
- Each spoke has the same diameter
- Diameters range from 7.0 to 1.5mm (0.5mm step)
Four sets of paired 45° wedges are located on both sides of the phantom. The lower pairs are 30 x 30mm and the upper ones are 40 x 40mm. The distance between intersection points of the lower and upper pairs is 90mm
Optional 6 removable vials for test samples - replacing the "T1 and T2 sample vials”, includes 6 additional vials (12 total)
Optional heavy duty carrying case
Resolution insert :
- Four matrices of holes, diameters: 0.8, 0.9, 1.0 and 1.1 mm
- Spaces between the holes are equal to hole diameters
- Two small containers with water and fat for water-fat shift evaluation

Product Features :
Complies with :
- ACR MRI Accreditation Program
- IPEM Report 80 "Quality Control in MRI", 1998
- AAPM Rep. 28 "Quality Assurance methods & phantoms for MRI", 1990
- AAPM Rep. 34 "Acceptance testing of MRI systems", 1992
- AAPM Rep. 100 "Acceptance & Quality Assurance procedures for MRI facilities", 2010

Certified :
- CE (declaration of conformity according to ISO/IEC 17050-1)

The Manual :
- Provides detailed guidelines for carrying out each test, results assessment and registration

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