The Platform for Universal Brain Access

We are in a golden age of brain science.

There are new gene therapies, cell therapies, and brain-computer interfaces that could slow dementia, quiet epilepsy, restore function lost to stroke or injury, and keep us sharp and thinking well for decades longer. But the brain is the hardest organ in the body to reach. It’s sealed behind the skull and the blood-brain barrier. Because of these protective mechanisms, most therapies cannot get where they need to go. You can’t fix what you can’t see or reach, and right now there’s no easy, precise, and scalable way to access the living brain.

4D Surgical is building the way in. Our mission is to make accessing and repairing the brain safe, precise, and routine. We are creating universal physical access to the brain so that electrodes, drugs, treatment devices, and gene therapies built to cure, enhance, and interface with the mind can reach anywhere in the brain.

We are creating universal physical access to the brain so that electrodes, drugs, treatment devices, and gene therapies built to cure, enhance, and interface with the mind can reach anywhere in the brain.

That starts with sight. MRI is the best way to see deep inside the living brain without harming it. But seeing isn’t enough. Reaching the target requires accuracy that is consistent every time, regardless of the user. That is where robotics comes in. We are developing a robotic treatment platform that works inside the MRI, using real-time imaging to guide therapies to exactly where they are needed.