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MRI test phantom DPHANTOM
general purpose

MRI test phantom
MRI test phantom
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Type of calibration
for MRI
Area of the body
general purpose


IDENTIFYING IMAGE DISTORTIONS Magnetic Resonance Imaging (MRI) offers high soft-tissue contrast with significant potential utility within Radiation Oncology, particularly associated with delineation of targets and organs at risk, along with image guidance. It is prone however to geometric distortions related to both static field inhomogeneities and gradient field non-linearity. The dPhantom has been designed and created to facilitate high accuracy QC procedures associated with MRI Distortion. It may be filled with an appropriate fluid for MRI, as well as CT-imaged without fluid to facilitate image-registration assessment DPHANTOM 3D One has produced a low cost, accurate Distortion phantom for the medical sector which we believe to be a superior alternative to traditional acrylic MRI Phantoms. The dPhantom is designed to assess and identify irregularities or distortions within magnetic resonance imaging scanners, commonly caused by the non-linear nature of the magnetic flux lines. The unique leak-proof unibody nylon construction features a precise internal orthogonal 3-dimensional lattice. When imaged, the grid like structure provides excellent image contrast for effective distortion identification. The dPhantom can be filled with an appropriate fluid, such as nickel sulphate or nickel chloride, to optimise signal to noise and contrast. Indexing grooves on the dPhantom’s exterior surface allow the device to be accurately positioned within the MRI scanner in all three orthogonal axes using the laser-alignment cross-hairs.
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