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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Radiat Res. 2009 Nov;172(5):625–631. doi: 10.1667/RR1614.1

FIG. 3.

FIG. 3

Panel a: The animal restraint jig and surrogate fiducial system docked with the Gamma Knife headframe. The inset shows a close-up of the surrogate fiducial system. Panel b: The headframe is fixed to the acrylic mounting plate by four bolts. The headframe and mounting plate are fixed to the underside of the jig using an acrylic mounting bracket and two nylon screws to ensure that the headframe joins with the jig in the exact same manner every time. The frame, mounting plate and mounting bracket are removed for 7T MR imaging.