Slicer3: Image Guided Therapy (IGT)

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Home < Slicer3: Image Guided Therapy (IGT)


The Slicer3 IGT tools are intended to enable research in image guided therapy. They leverage the Slicer environment and augment it with a number of IGT specific functionalities and modules. One key element of this capability is Open IGT link, a communication protocol to link 3D Slicer to a variety of devices.

Getting Started With Navigation:

Use-case scenario 1: Neurosurgical navigation

Use-case scenario 2: IGT robotics tutorial with LEGO Mindstorms

  • I am a professor who wants to use Slicer to educate my students about the basics of robotics in IGT


This tutorial provides a thorough understanding of the main concepts in image-guided therapy and medical robotics, namely imaging, pre-operative planning, targeting by tracking, navigation and registration. The tutorial is open-source and completely free for anyone to use or modify (see for details and for the BSD style open source license).

The tutorial is:

  • Hands-on: Using a LEGO robot, a LEGO phantom (anatomical model) and a tutorial module in 3D Slicer v. 3 means that tutorial participants can use real physical equipment and software to learn about IGT and medical robotics.
  • Accessible: The tutorial software is open-source, and the cost of the materials is approximately $300 USD + shipping and taxes.


  • Provided by tutorial participants:
    • 1 LEGO Mindstorms NXT kit (Available at LEGO Shop)
    • 1 LEGO Deluxe Brick box (Available at LEGO Shop)
    • 2 pom-poms
    • Linux computer with root access or Windows with administrator privileges

(For purchasing information for user-supplied materials, see the "Tutorial Slides Part 1 - Background and Materials" slides.)


STEP 1: Assemble Robot (See Robot assembly instruction)

STEP 2: Assemble Phantom (See Phantom assembly instruction)

STEP 3: Place phantom (See Phantom assembly instruction)

For more information, please refer the tutorial slide materials listed bellow.

Tutorial slides and references

List of devices that have been linked successfully

  • Support medical tracking systems
  • All devices interfaced to IGSTK (Noby inserts link), including
    • Flashpoint (Image Guided Technologies, Boulder, CO)
    • Robin Medical
    • scanners (Noby: which ones)
    • robots (Noby which ones)
  • IGT Modules in Slicer 3.3

Only what is in Slicer 3.3 nightly!