Researchers at the EPFL Neuro X Institute have developed a minimally invasive, soft robotic-inspired cortical electrode array that can be inserted through a small hole in the skull. The array features six spiraled arms to maximize surface area and has been successfully tested in a mini-pig. The tech
Stephanie Lacour’s specialty is the development of flexible electrodes that adapt to a moving body, providing more reliable connections with the nervous system. Her work is inherently interdisciplinary.
EPFL scientists have developed electrode arrays that can be funneled through a small hole in the skull and deployed over a relatively large surface over the brain’s cortex. The technology may be particularly useful for providing minimally invasive solutions for epileptic patients. Interview with Stéphanie Lacour and Sukho Song. Credit: EPFL / Hillary Sanctuary, Alain Herzog
Somewhat like a spiraled butterfly intricately squeezed inside its cocoon before metamorphosis, the electrode array, complete with its spiraled-arms, is neatly folded up inside a cylindrical tube, i.e. the loader, ready for deployment through the small hole in the skull.Thanks to an everting actuation mechanism inspired from soft robotics, each spiraled arm is gently deployed one at a time over sensitive brain tissue.
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