Scientists have created an electrode prototype to implant the brain during a microinvasive operation. This was reported by the Federal Polytechnic School of Lausanne.
Over the past decades, scientists have been able to both read and apply the brain’s electrical signals. In most cases, this requires electrodes to be implanted into the brain, while full-scale operations on the skull are considered undesirable.
In this context, Stephanie Lacour and colleagues proposed a way to insert deployable electrodes into the brain through a 2 cm diameter hole. The first prototype consists of an array of electrodes that reach 4 diameters when inserted. centimeter. It has 6 spiral arms to maximize the surface area of the array and therefore the number of electrodes in contact with the cortex. In other words, the electrode looks like a spiral that is “pushed” through the hole and opens inside. The electrode pattern is created by sputtering gold onto bendable elastomeric materials.
Currently, the device has already been tested on pigs.
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