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Related Experiment Videos

A simple stereotactic method for frameless deep brain stimulation.

M Sam Eljamel1, Mark Tulley, Kate Spillane

  • 1Department of Neurosurgery, Ninewells Hospital and Medical School, Dundee, UK. m.s.eljamel@dundee.ac.uk

Stereotactic and Functional Neurosurgery
|November 2, 2006
PubMed
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A novel stereotactic cube simplifies deep brain stimulation (DBS) surgery by enabling frameless microelectrode recording (MER) and secure DBS fixation, improving accuracy and patient comfort.

Area of Science:

  • Neurosurgery
  • Medical Devices
  • Neurological Disorders

Background:

  • Deep brain stimulation (DBS) is a key treatment for Parkinson's disease and other neurological conditions.
  • Traditional DBS surgery involves lengthy procedures with stereotactic frames, causing patient discomfort.
  • A new stereotactic cube was developed to streamline the DBS implantation process.

Purpose of the Study:

  • To evaluate the efficacy and safety of a novel stereotactic cube for DBS procedures.
  • To assess the cube's performance in staging operations, frameless microelectrode recording (MER), and DBS fixation.
  • To compare the stereotactic cube with existing methods like Bennet spheres (BS).

Main Methods:

  • A 15-mm stereotactic cube was implanted via a burr hole using bone cement, featuring 5 parallel trajectories.

Related Experiment Videos

  • Frameless MER was conducted using a micro-driver attached to the cube.
  • The DBS system was secured to the cube with a mini-plate and screw.
  • Ninety-six cubes were compared against 43 Bennet spheres.

    • Main Results:

    • The stereotactic cube demonstrated superior stability, with no movement observed compared to 5% of Bennet spheres (p < 0.05).
    • The cube achieved higher accuracy in final trajectory placement (64.4% central vs. 47.5% for BS) and target accuracy (>2 mm out in 0% vs. 12.5% for BS, p < 0.01).
    • Complication rates were comparable, with the cube showing 2.5% infection and 3.3% hemorrhage versus 5% infection, 5% hemorrhage, and 7.5% skin erosion for BS.

    Conclusions:

    • The stereotactic cube offers a simple and effective solution for staging DBS procedures.
    • It facilitates frameless MER and secure DBS implantation, fixation, and revision.
    • This innovative device enhances the precision and efficiency of deep brain stimulation surgery.