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Key takeaways
- ReVision Implant is developing a visual prosthesis that stimulates the visual cortex directly, bypassing damaged eyes and optic nerves.
- The visual prosthesis uses flexible electrode arrays that can stimulate thousands of points within the visual cortex to restore useful vision.
- Long-term animal studies were conducted to develop flexible brain electrodes and understand the device's interaction with biological systems.
- Cybersecurity risks for neurotechnology include interference with wireless communication, alteration of algorithms, and increasing stimulation to unsafe levels.
- The longevity of neural implants, potentially decades, raises concerns about encryption obsolescence and the need for secure, long-term software updates.
- Replacing a neural implant requires extensive re-rehabilitation, emphasizing the need for robust device security and longevity.
- ReVision Implant is preparing for initial proof-of-concept testing with a human volunteer.
What if a blind person could use a pair of glasses where information is transmitted wirelessly to an implant in the visual cortex, allowing them to perceive shapes, movement, and elements of their surroundings?
In this episode of the Med Device Cyber Podcast, Christian Espinosa speaks with Frederik Ceyssens, CEO and co-founder of ReVision Implant, about the development of a visual prosthesis designed to restore useful vision by stimulating the brain directly.
Frederik explores why his team chose to bypass the eyes and optic nerve, how flexible electrode arrays can stimulate thousands of points within the visual cortex, and what researchers have learned through long-term animal studies.
The conversation also explores the cybersecurity risks surrounding neurotechnology. An attacker could potentially interfere with wireless communication, alter the device’s algorithm, or increase stimulation to unsafe levels. The implant may also remain inside a patient for decades, creating difficult questions about encryption, software updates, and technologies that may become obsolete during the device’s lifetime.
In This Episode:
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00:38 Frederik’s background in neural implant research
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02:31 Why ReVision Implant targets the visual cortex instead of the eye
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04:26 Developing flexible brain electrodes through long-term testing
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06:48 Raising €4 million to advance the technology
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07:42 Preparing for the first proof of concept with a human volunteer
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09:24 How the glasses and brain implant work together
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11:04 What vision through the implant may look like
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12:33 Why colour and depth perception remain difficult
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16:16 The cybersecurity implications of a visual prosthesis
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17:43 How an attacker could manipulate the device
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20:25 The hardest parts of developing neurotechnology
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22:42 How the implant was tested using monkeys
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26:12 Designing an implant that can last 15 to 25 years
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28:28 Why today’s encryption may not remain secure for decades
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30:16 Why replacing the implant would require months of rehabilitation
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34:51 How close the technology is to science fiction
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36:07 The next steps towards testing with blind volunteers
Find ReVision Implant at:https://revisionimplant.com[https://revisionimplant.com](https://revisionimplant.com)
Notable quotes
“Bypassing the eyes and the optic nerve is essential due to the multitude of different types of blindness.”
“An attacker could potentially interfere with wireless communication, alter the device’s algorithm, or increase stimulation to unsafe levels.”
“The encryption we use today could be broken within eight, ten, fifteen years. And these devices are supposed to last for 15 to 25 years in a patient’s head.”
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