Implanted stem electrode helps paralysed patient to recover through brain-computer interface

https://en.people.cn/n3/2025/0624/c90000-20331575.html

A team at Nankai University has announced a novel brain-computer interface (BCI) technology on a human patient, a 67-year-old male patient suffering from paralysis, who regained significant limb function after the treatment. The patient, who had experienced left-side paralysis for six months due to a cerebral infarction, saw his left upper limb achieve actions like grasping and taking medicine.

Unlike the invasive skull-opening surgery used by Elon Musk’s Neuralink last year, the Nankai technique involves implanting a device into the skull via neck blood vessels. The device, a stent electrode, was guided into the patient’s cranial blood vessel wall using high-precision imaging. A wireless transmission and power supply unit was also implanted subcutaneously to collect and transmit brain electrical signals.

After the surgery, the system has operated stably without complications such as infection, enabling precise brain signal acquisition and interactive control.

The team’s future plans involve recruiting more participants and exploring additional rehabilitation methods.

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