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Pro-MRI Agar Phantom


This stability (agar) phantom consists of a cylindrical phantom and agar material inside. Using this phantom a Signal to Noise Ratio, Signal Fluctuation to Noise Ratio, drift, and other imaging measures over a 100-volume or 200-volume fMRI scan can be performed. The agar phantom has characteristics similar to the T2 measures of a human headbut provides no change in signal. The T1 and T2 characteristics of the agar phantom at 3T are ~900 ms T1 and 30 ms T2. 

Technical data (can be modified to customer specifications):

  • overall cylinder dimensions: 140mm in diameter, 150mm in height
  • cylinder made of PMMA
  • filled with agar gel with T1 and T2 characteristic at 3T of ~900 ms T1 and 30 ms T2.
  • optional carrying case (09-102)

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


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