How will magnetic coils steer robots inside the brain?

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Magnetic Coils Will Steer Micro-Robots Inside the Brain

Micro-robots designed for brain treatment will be navigated using magnetic coils placed externally to a patient's skull. These coils connect to a computer system that allows for remote and precise control of the micro-robot's movement within the brain. The robot can then be guided to the affected area and subsequently removed through the same pathway.
Propulsion Method Chosen for Safety

The magnetic propulsion technique was selected over optical or ultrasonic methods due to its non-harmful nature to the human body. This approach allows for delicate maneuvering of the micro-robot into precise locations within the brain without causing damage. The system is also noted for its portability and significantly lower electricity consumption compared to an MRI.
Simulation Demonstrates Trajectory Following

In simulations, a metal cylinder robot, several millimeters long and bullet-shaped, successfully followed a pre-programmed path through a gel simulating brain density. The robot demonstrated the ability to accelerate rapidly towards a target, piercing it with its pointed end to allow fluid to escape. This capability is intended for future use in puncturing fluid-filled cysts within the brain.
Clinical Trials and Potential Applications

Bionaut Labs is planning its first human clinical trials within two years, with initial applications aimed at treating conditions like Dandy-Walker Syndrome, a rare brain malformation causing dangerous neurological issues due to cyst pressure. The company has also received approvals from the US Food and Drug Administration (FDA) for clinical trials targeting malignant gliomas, where the robots would deliver anti-cancer drugs directly to tumors. This targeted drug delivery contrasts with current methods that involve systemic drug administration, potentially leading to severe side effects.

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How will magnetic coils steer robots inside the brain?

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