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Navigation Displaying the Exact Shape of the Instrument

The more vivid form of navigation in computer-assisted surgery is the overlaying of the exact form of the currently used instrument or of several instruments simultaneously in the patient's 3D image data (CT/MRI/Cone-Beam) or 2D image data (C-arm). The shape of the instruments is drawn in as a semipermeable projection. For this procedure, the exact form of the instruments must be stored. Accidental confusion of instruments is thus largely impossible. In addition, the shape of spoons or the diameter of cutters or drilling tools can allow important conclusions to be drawn. For the automatic recording of tissue removal, the exact shape of the instruments is an absolute prerequisite anyway.

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