Pacific Northwest X-Ray Inc.

       IMRT Pelvic 3D Phantom.       

Computerized Imaging Reference Systems, Inc! Complete QA from CT imaging to dose verification

  • Verify heterogeneity corrections
  • Correlate CTU to electron density
  • Check dose distributions in sensitive areas
  • Check depth doses and absolute dose
  • 2D and 3D isodoses
  • Calibrate film with ion chamber

  • The CIRS Model 002PRA IMRT phantom is designed to address the complex issues surrounding commissioning and comparison of treatment planning systems and verification of individual patient plans and delivery.

    The CIRS 002PRA phantom properly represents human pelvic anatomy in shape, proportion and structure as well as density. This enables thorough analysis of both the imaging and dosimetry system. The phantom is manufactured from unique proprietary materials that faithfully mimic bone and water within 1% from 50 keV to 25 MeV.

    The phantom is elliptical in shape, approximates the size of an average patient, and has a tissue equivalent, three dimensional skeleton. Tissue equivalent interchangeable rod inserts for ionization chambers allow for point dose measurements in multiple planes in the phantom and film calibration. The phantom also supports film dosimetry with not only standard radiographic films but also GafChromic® media. Optional inserts are available to support a variety of other detectors including TLD's, MOSFET, and diodes.

    The Model 002PRA includes four different Electron Density reference plugs which can be interchanged in five separate locations within the phantom. The surface of the phantom is etched with grooves to ensure proper orientation of the CT

    slices and accurate film to plan registration.

    IMRT Verification System.
    CIRS IMRT phantoms are manufactured from tissue equivalent materials that mimic within 1% from 50 keV to 25 MeV for accurate simulation from CT planning to treatment delivery. An interchangeable rod design allows the phantom to accommodate a multitude of dose measurement devices such as ion chambers, TLD, diodes and MOSFET's in the same location within the phantom. Phantom cross sections accommodate GafChromic® or standard ready-pack films.

    Model 002PRA Includes...
    1) 5 cm tissue equivalent reference section for interchangeable ED inserts
    10) 1 cm thick contiguous 3D pelvic sections each drilled to accommodate rod inserts
    1) Homogeneous section that accommodates 002FC or 002GC cassettes
    1) Film stack for 3D reconstruction
    5) Water equivalent rods, 2.5 cm dia. x 5 cm long
    20) Bone equivalent solid disks, 2.5 cm dia. x 1 cm thick
    30) Water equivalent solid disks, 2.5 cm dia. x 1 cm thick
    1) Bone equivalent insert with ion chamber cavity
    1) Water equivalent rod insert with ion chamber cavity
    1) Electron density reference plugs, set of 4 (lung, bone, muscle, adipose)
    1) Alignment base
    1) Holding device
    1) Set of CT to film fiducial markers

    Click Here to download ION Chamber Cavity Codes for Dosimetric Phantoms.

    Stock #
    Your Price
    Advanced Pelvic 3D IMRT Phantom
    (CV=CIRS Cavity Code Specify Ion Chamber)

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