Fig. 3.

Final method for pig head immobilisation and MR imaging: (a) Parts of the MRI compatible pig head fixation and MRI localisation device; head fixation frame (1), lower mounting unit (2), MRI bed location unit (3) and MRI visible fiducial arc (4). (b) Pig head fixation device and 3D model of pig head illustrating zygomatic screw housing (1). (c) Large White Landrace pig model (≈45 kg) on MRI scanner bed. Head immobilised with Flex-L coils (arrowed) attached and encompassing fiducial arc and pig head for pre- and post-operative T1-weighted imaging.