Pacific Northwest X-Ray Inc.

       Pro-MRI - ACR accredited Medium MRI phantom.       
Pro-Project! ACR accredited phantoms; both Medium & LARGE for comprehensive evaluation of critical imaging parameters of magnetic resonance imaging (MRI) in a time efficient manner. The phantom can be used for the measurement of absolute values for calibration purposes. However, its design is optimized for time efficient daily quality assurance too.
 
A 'large' version is currently available but still waiting 'accreditation'.

It can be used to measure:
  • geometric distortion
  • spatial resolution
  • slice thickness and position
  • interslice Gap
  • 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:
  • outside cylinder diameter: 178 mm
  • outside cylinder height: 157 mm
  • inside cylinder diameter: 165 mm
  • inside cylinder height: 134 mm
  • filled with 10 mmol nickel chloride solution containing sodium chloride 75 mmol
  • the outside of each phantom has the words “NOSE” and “CHIN” etched into it as an aid to orienting the phantom for scanning, as if it were a head

    • 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

    • Slice thickness insert:
  • 158 x 52 x 10 mm PMMA plate




  • 1 mm wide and 5 mm deep counter-descending slits on both sides
  • slits form two ramps descending at 1:10

    • ‍
    Geometric distortion insert:
  • 3x3 holes array, 40 mm spacing
  • 2 mm diameter
  • 120 mm on a side
  • 10 mm thick

    • Low contrast insert:
  • partial volume contribution of these sheets and filling solution produce contrasts: 1.4, 2.5, 3.6 and 5.1%
  • each disc contains 10 groups of 3 holes arranged in spokes
  • each spoke has the same diameter
  • diameters range from 7.0 to 1.5 mm‍
  • four sets of paired 45° wedges are located on both sides of the phantom. The lower pairs are 20 x 20 mm, and the upper ones are 30 x 30 mm.
  • heavy duty carrying case (09-102)
  • optional detachable 3-axis spirit level (09-104)

    • Product features:
    The MEDIUM is ACR Accredited - complies with:- ACR MRI Accreditation Program. As yet the Large is available but not yet received accreditation. - 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 - CE certified

    ** The manual provides detailed guidelines for carrying out each test, results assessment and registration.


    Stock #
    Description
    Case
    Included?
    ACR
    Accredited?
    Your Price
    09-301
    Pro-MRI ACR Medium MRI Phantom
    Yes
    YES
    $2,675.00
    09-302
    Pro-MRI ACR LARGE MRI Phantom
    Yes
    YES
    $2,675.00
     
     
     
     
     
    09-104
    Pro-MRI Detachable 3-axis spirit level
    NA
    NA
    $Call
    09-102
    Pro-MRI Heavy Duty Carrying Case
    NA
    NA
    $Call
    09-103
    Pro-MRI - 6 removable vials option
    with 6 extra vials (12 in total)
    NA
    NA
    $Call
    09-201
    Pro-MRI SpineRect
    NA
    NA
    $Call
    09-202
    Pro-MRI Agar
    NA
    NA
    $Call






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