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Stereotactic systems and procedures for depth electrode placement: technical aspects.

A Olivier, G Bertrand, T Peters

    Applied Neurophysiology
    |January 1, 1983
    PubMed
    Summary
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    This study details converting the Leksell spherical system to an orthogonal approach for electrode placement using simple devices. New instrumentation, including teleradiology and an all-purpose stereotactic chair, facilitates advanced imaging integration.

    Area of Science:

    • Neurosurgery
    • Medical Device Engineering
    • Radiology

    Background:

    • The Leksell spherical system is a standard for stereotactic surgery.
    • Accurate depth electrode placement is crucial for various neurological interventions.
    • Limitations exist in adapting spherical systems for all stereotactic procedures.

    Purpose of the Study:

    • To describe the conversion of the Leksell spherical system to an orthogonal approach.
    • To introduce novel instrumentation required for this modified stereotactic system.
    • To enable integration with advanced neuroimaging modalities.

    Main Methods:

    • Modification of the Leksell frame with simple devices to enable an orthogonal approach.
    • Development of an instrument and electrode carrier system with sliding side bars.

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  • Integration of computer markers for compatibility with CT, digital angiography, and NMR.

    • Main Results:

    • Successful conversion of the Leksell system to an orthogonal configuration.
    • Introduction of essential new instrumentation, including teleradiology and a stereotactic chair.
    • Demonstrated compatibility with modern imaging techniques for enhanced stereotactic procedures.

    Conclusions:

    • The modified Leksell system provides a versatile orthogonal approach for depth electrode placement.
    • The developed instrumentation supports advanced imaging and precise targeting in stereotactic neurosurgery.
    • This adaptation enhances the utility of stereotactic systems for complex neurological applications.