Summary
In an interdisciplinary research project a “navigation” support for scull base surgery has been developed. By combining 3D position measurement techniques, digital image processing and 3D display techniques the spatial position and orientation of an operating instrument is being visualized on a display, which shows a CT-generated view of the operation area.
In more than 170 operations the system was applied by using a handguided electromechanical 3D coordinate digitizer. Improved flexibility and easier handling can be achieved by noncontact measurement techniques. We developed an optical measurement system, which uses a set of infrared light sources mounted on the handle of a surgical instrument. These sources are detected by array-cameras. An accuracy of 1.5 mm has been achieved in a volume of 600 × 600 × 400 mm3. The speed of 7 measurements/second meets the requirements for realtime visualisation of the instrument’s position.
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References
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© 1991 Springer-Verlag Berlin Heidelberg
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Krybus, W., Knepper, A., Adams, L., Rüger, R., Meyer-Ebrecht, D. (1991). Navigation Support for Surgery by Means of Optical Position Detection. In: Lemke, H.U., Rhodes, M.L., Jaffe, C.C., Felix, R. (eds) Computer Assisted Radiology / Computergestützte Radiologie. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-00807-2_59
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DOI: https://doi.org/10.1007/978-3-662-00807-2_59
Publisher Name: Springer, Berlin, Heidelberg
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