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Related Experiment Video

Updated: Jun 4, 2026

Operative Technique and Nuances for the Stereoelectroencephalographic (SEEG) Methodology Utilizing a Robotic Stereotactic Guidance System

Operative Technique and Nuances for the Stereoelectroencephalographic (SEEG) Methodology Utilizing a Robotic Stereotactic Guidance System

Published on: June 9, 2023

Stereoelectroencephalography Electrode Fixation Using a Silicone Electrode Holder.

Makoto Satoh¹, Kenji Ibayashi, Keisuke Ohtani

¹Department of Neurosurgery, Jichi Medical University, Shimotuke-City, Japan.

Operative Neurosurgery (Hagerstown, Md.)

|June 2, 2026

Summary

This summary is machine-generated.

A novel silicone electrode holder offers a feasible and safe alternative for stereoelectroencephalography (SEEG) electrode fixation, especially in patients with thin or low-density cranial bones where traditional anchor bolts are challenging to use.

Keywords:

Electrode Electrode holder SEEG

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Last Updated: Jun 4, 2026

Operative Technique and Nuances for the Stereoelectroencephalographic (SEEG) Methodology Utilizing a Robotic Stereotactic Guidance System

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Published on: June 13, 2025

Area of Science:

Neurosurgery
Medical Devices
Electrophysiology

Background:

Anchor bolts are standard for stereoelectroencephalography (SEEG) electrode fixation but are difficult in thin or low-density cranial bones.
Suture fixation in these cases risks electrode damage and displacement, with variable outcomes based on surgeon skill.

Purpose of the Study:

To evaluate the feasibility of a novel silicone electrode holder as an alternative fixation method for SEEG electrodes.
To assess the strength and safety of the silicone holder, particularly in challenging cranial bone conditions.

Main Methods:

A dry laboratory study assessed the holder's fixation strength.
Clinical evaluation involved monitoring electrode tip displacement in 24 SEEG electrodes and assessing safety in 10 consecutive cases.

Main Results:

The silicone holder demonstrated a fixation strength of 230 g, independent of surgeon skill.
Clinical use showed a median electrode tip displacement of 2.06 mm with no device-related complications in 10 cases.

Conclusions:

The silicone electrode holder is a feasible option for SEEG electrode fixation in patients with thin or low-density cranial bones.
It offers clinically acceptable fixation capability and safety, overcoming limitations of anchor bolts and suture fixation.
The holder's performance is independent of surgeon skill, enhancing reliability.