Oprax Medical Inc.

MRI Distortion Phantom for SRS.

Computerized Imaging Reference Systems, Inc! For Rapid Assessment of Image Displacement in Treatment Planning Systems

  • Images well on T1, T2 and 3DTOF MRI acquisitions
  • Images well on CT scans
  • Protective pad for use with Stereotactic Frame
  • Images can be imported into stereotactic localization program
  • CT scans can be used to assess MRI accuracy

  • The CIRS 3D Anthropomorphic Skull Phantom is made from materials that can be imaged using X-ray, Computed Tomography and Magnetic Resonance Imaging. It images well with all MRI sequences tested to date, including T1 weighted, T2 weighted, 3D Time of Flight, MPRAGE and CISS sequences.

    The skull is manufactured from a plastic-based tissue substitute, and the interstitial and surrounding soft tissues are made from a proprietary water-based polymer. The entire phantom is encased in a clear vacuum-formed plastic shell to protect the gel from desiccation.

    The entire cranial portion of the skull volume is filled with a orthagonal 3D grid of 3mm diameter rods spaced 1.5 cm

    apart. Five extended axis-rods intersect at the reference origin of the grid. The end of each extended axis is fitted with CT and MR markers allowing for accurate alignment with laser-light as well as image co-registration.

    The phantom includes a 6.35 mm diameter acrylic rod with an air void of 3 mm diameter and 17 mm long in each ear canal.

    Overall Dimensions: 32 cm x 24 cm x 18 cm
    Weight: 12 lbs (5.5 kg)
    Skull: Plastic-based bone substitute
    Interstitial/ Soft tissues: Water-base polymer
    Grid: Reinforced nylon

    1 3D Anthropomorphic Skull Phantom
    1 ABS Vacuum-Formed Cradle
    5 Stereotactic Frame Pads
    1 Custom Carry Case and User Guide

    NOTE: Black "Leksell frame" used for radiology positioning shown to the right is for example only and is not provided with purchase of this phantom.

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    3D Anthropomorphic Skull Phantom