A fully implantable electronic therapy device designated as an innovative medical device by regulatory authorities. It is designed for therapeutic applications including treatment of conditions such as Parkinson's disease tremor through brain stimulation.
Manufactured by
Incheon, South Korea
Gbrain is a trailblazer in Korea's neurotechnology sector, specializing in advanced Brain-Computer Interface (BCI) medical solutions. As Korea s first domestic manufacturer of invasive electrodes, Gbrain develops flexible, non-invasive thin-film electrodes based on its proprietary parylene-C technology . These electrodes are engineered to minimize brain tissue damage while achieving exceptional conformity to the brain s curvature, enabling high-resolution brainwave acquisition. This pioneering manufacturing process was officially certified as a “New Excellent Technology (NET)” by Korea s Ministry of Trade, Industry and Energy (MOTIE) , recognizing Gbrain s innovation in neuroengineering. Gbrain s flagship product, Phin Stim , is a wireless implantable neuromodulation device that provides personalized therapeutic electrical stimulation for Parkinson s disease. Offering DBS-level efficacy without brain tissue damage , Phin Stim represents a major advancement in patient-centered neurotherapy. The device has earned global recognition, receiving the CES Innovation Award for Digital Health in both 2025 and 2026 , underscoring its technological excellence and clinical promise. Its polymer-based flexible thin-film electrode array , built on Parylene-C with 32-channel gold wire imprinting , offers superior flexibility, stability, and signal precision compared to conventional silicone-based electrodes. Through Gbrain s proprietary optimization of polymer composition, gold purity, and etching techniques , this innovation has been successfully scaled from lab development to mass production —a milestone in next-generation neural interface engineering. In addition, Phin Stim s closed-loop, real-time system enables continuous brainwave monitoring and adaptive stimulation via 2.4 GHz Bluetooth LE . Powered by a titanium-encased chipset , the device transmits high-fidelity 16-bit data at a 512 Hz sampling rate and delivers precise current pulses of up to 2 mA . Clinicians can control all functions through an intuitive tablet-based graphical user interface (GUI) , providing seamless, wireless operation for truly personalized neurotherapy.
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