Blackrock Neurotech: 40+ patients implanted including 9-year implant — longest-serving BCI patient in history
Summary
Blackrock Neurotech has implanted BCI devices in more than 40 patients, including one patient who has had the device implanted for over 9 years — the longest-serving BCI patient in the world, demonstrating long-term device durability at a scale no other company approaches. Clinical Trials Arena noted in August 2025 that Blackrock's rich history in BCI, having implanted devices in over 40 patients, includes the longest-serving BCI patient with over nine years of device operation. The 9-year implant is the definitive real-world evidence that chronic cortical neural recording can remain functional long-term — answering the fundamental longevity question that all BCI investors and clinicians ask about implanted devices.
Why it matters
A 9-year functioning BCI implant is the most important single data point in the history of neural interface engineering. Every argument that neural recording is limited to months before electrode degradation renders the device useless is refuted by Blackrock's 9-year patient. This long-term durability evidence is the baseline against which all next-generation BCI electrode materials (Axoft Fleuron, INBRAIN graphene, CorTec AirRay) must be benchmarked — the question is not whether long-term BCI can work but whether new materials can do it with better signal quality and lower tissue reaction.
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