MRI_DistortionPhantom

Geometric distortion in Magnetic Resonance Imaging (MRI) is a serious problem. The purpose of this code is to provide code such that users can automatically build a simple and cheap MRI distortion phantom to characterise MRI distortion.

Compared to other MRI distortion phantoms, this is:

• Free and open source

• Completely user customizable

• Water free: light weight and leak free

• Designed for cheap and easy construction

An example of a multi slice phantom

Examples of the some of the slice geometries which can easily be constructed

Contents:

• Getting Started
  • Setting up FreeCAD
  • Generating your first phantom design
• Phantom Construction
  • Specifying geometry for manufacture
  • Markers
  • Background material
  • Joining the slices together
  • Before your first prototype: general tips
  • First prototype: Drill press
  • Second protoype: Laser cut foam
• Phantom Imaging
  • Fat-Water chemical shift
  • Separation of B0/ Gradient distortion effects