Neuralink - Brain Computer Link

Researchers demonstrated the success of a fully implantable wireless medical device, the Stentrode™ brain-computer interface (BCI), designed to allow patients with severe paralysis to resume daily tasks — including texting, emailing, shopping and banking online — without the need for open brain surgery. The first-in-human study was published in the Journal of NeuroInterventional Surgery™, the leading international peer-reviewed journal for the clinical field of neuro-interventional surgery.

The patients participating in the study utilized the Stentrode neuroprosthesis to control the Microsoft Windows 10 operating system in combination with an eye-tracker for cursor navigation, without a mouse or keyboard. The subjects undertook machine learning-assisted training to control multiple mouse-click actions, including zoom and left click.

This is a breakthrough moment for the field of brain-computer interfaces. We are excited to report that we have delivered a fully implantable, take home, wireless technology that does not require open brain surgery, which functions to restore freedoms for people with severe disability. Seeing these first heroic patients resume important daily tasks that had become impossible, such as using personal devices to connect with loved ones, confirms our belief that the Stentrode will one day be able to help millions of people with paralysis.”

Thomas Oxley, MD, PhD, and CEO of Synchron

Synchron is a neurovascular bioelectronics medicine company that conducted the research.

Graham Felstead, a 75-year-old man, living at home with his wife, has experienced severe paralysis due to amyotrophic lateral sclerosis (ALS). He was the first patient enrolled in the first Stentrode clinical study and the first person to have any BCI implanted via the blood vessels. He received the Stentrode implant in August 2019. With the Stentrode, Felstead could remotely contact his spouse, increasing his autonomy and reducing her burden of care. Philip O’Keefe, a 60-year-old man with ALS who works part-time, was able to control computer devices to conduct work-related tasks and other independent activities after receiving the Stentrode in April 2020. Functional impairment to his fingers, elbows, and shoulders had previously inhibited his ability to engage in these efforts.

The “Stentrode” device is small and flexible enough to safely pass through curving blood vessels. The implantation procedure is similar to a pacemaker and does not require open brain surgery. Entry through the blood vessels may reduce the risk of brain tissue inflammation and rejection of the device, which has been an issue for techniques that require direct brain penetration. Implantation is conducted using well-established neuro-interventional methods that do not require novel automated robotic assistance.

Preliminary data on the first patient were presented at the Society of Neuro Interventional Surgery’s (SNIS) 17th Annual Meeting on August 7, 2020.

Source:

Society of Neuro-Interventional Surgery

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