Danny Weber
China has launched its first multicenter clinical trials for a fully implantable 128-channel brain-computer interface, aiming to decode neural activity and help patients with motor impairments.
China has launched the country's first multicenter clinical trials of a fully implantable 128-channel brain-computer system. Led by Beijing Tiantan Hospital under the Capital Medical University, the initiative marks a key step in moving Chinese invasive neural interfaces from the lab to the clinic.
The high-throughput brain interface is designed to precisely read neural activity. It consists of two main components: a flexible electrode implanted in the cerebral cortex and a fully implantable signal collection unit. This setup allows the system to operate inside the body without the need for bulky external parts.
Particular attention was paid to the electrodes. Made from an ultra-thin biocompatible material, they aim to reduce the immune response after implantation. The electrodes can accurately record action potentials from individual neurons, a crucial capability for decoding complex brain signals and enabling more effective human-machine interaction.
With this approach, the system can decode complex brain activity in real time and significantly boost information transfer speed in the human-machine interface. Looking ahead, such technology could help rehabilitate patients with severe motor impairments by allowing them to control external devices or perform recovery exercises in a more natural way.
The other key component is the fully implantable signal collection unit. It uses a wireless circuit, sits entirely inside the body, and includes a medical-grade rechargeable battery with wireless charging. The device can simultaneously collect and transmit multi-channel neural signals, which should make therapy and rehabilitation more comfortable for patients.
The launch of clinical trials indicates that the technology has moved beyond experimental demonstration and is nearing practical medical use. If the trials confirm its safety and effectiveness, China could gain its own high-precision neural interface platform for long-term patient care.
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