Research on Wireless Brain Implant System for General Control of External Devices

Who May Qualify: - Aged 18-80 years (inclusive), any gender. - Diagnosed with spinal cord injury, brainstem stroke, amyotrophic lateral sclerosis, or other motor neuron diseases causing partial or complete paralysis, or bilateral upper limb amputation. - Diagnosis stable for at least 6 months before screening, with the condition present for at least 1 year. - Willing to follow the study protocol and attend all visits, with or without caregiver assistance. - willing to sign a consent form signed by participant and/or caregiver, with full understanding of the trial's purpose. Who Should NOT Join This Trial: - Previous implantation of metal objects or devices (except dental implants or non-impacting implants). - Long-term use of anticoagulants/antiplatelets with insufficient cessation, or abnormal coagulation test results. - Unable to tolerate anesthesia or surgery. - Severe neurological disorders or brain injury leading to significant dysfunction. - Scalp conditions that may impair wound healing. - Acute or severe infections. - Cognitive impairment or psychiatric disorders. - Severe dysfunction of vital organs, malignancies, or autoimmune conditions (where your immune system attacks your own body)s. - Life expectancy under 1 year. - Drug or alcohol abuse. - Pregnant, breastfeeding, or planning pregnancy during the study. - Other conditions deemed unsuitable by the investigator. Always talk to your doctor about whether this trial is right for you.