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Simulation screen: physical and virtual actors in the rasping simulation (a) C4-C5 vertabrae plastic models in mold and physicians physical interaction by using the rasp, (b) A. Binocular display controlled by the user, B. Binocular stereoscopic view, C. What is seen from the binocular display, (c) Left: Physician interacts with C4-C5 vertebrae by using the rasp, right: what is seen from the binocular display, and (d) C4-C5 before and after rasping respectively.
