A tracking reference fixation support configured to fasten a medical tracking reference to a patients head, the fixation support comprising an elastically deformable base-plate having a bottom surface, the base-plate being configured to rest via the bottom surface against the surface of a patients head an interface-plate providing an interface for rigidly attaching a medical tracking reference to the fixation support and at least one joint that couples the interface-plate to the base-plate, which allows the base-plate to deform while the interface-plate remains substantially dimensionally stable. The invention further relates to a corresponding tracking reference headband and to a corresponding method of providing a patients head with a tracking reference.
