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Algorithm for simulation of craniotomies assisted by peripheral for 3D virtual navigation

Neurosurgical procedures require high precision and an accurate localization of the structures. For that reason and due to the advances in 3D visualization, the software for planning and training neurosurgeries has become an important tool for neurosurgeons and students, but the manipulation of the 3D structures is not always easy for the staff that usually works with 2D images. This paper describes a system developed in open source software that allows performing a virtual craniotomy (a common procedure in neurosurgery that enables the access to intracranial lesions) in 3D slicer; the system includes a peripheral input in order to permit the manipulation of the 3D structures according to camera movements and to guide the movement of the craniotomy tool.