Wireless Implantable Mandarin Chinese Speech Neuroprosthesis Evaluation

Inclusion Criteria: * Age 18 to 80 years (inclusive), any gender. * Clinically diagnosed with speech disorders, including locked-in syndrome, severe dysarthria, aphasia with preserved auditory comprehension, or late-stage ALS-related language dysfunction, secondary to stroke, traumatic brain injury, amyotrophic lateral sclerosis (ALS), or other motor neuron diseases. * The subject, or the subject with the assistance of their legal representative, is willing to follow the investigator's instructions, adhere to all protocol-specified procedures, and complete all required follow-up. * The subject and their legal representative fully understand the purpose and significance of the trial; the subject voluntarily agrees to participate and signs the informed consent form Exclusion Criteria: * Subjects with any previously implanted metallic objects or devices (e.g., pacemakers, defibrillators, neurostimulators, cochlear implants), except for dental metal implants or implants assessed to have no impact on the trial. * Subjects who have been on long-term anticoagulant or antiplatelet therapy prior to screening, with antiplatelet drugs discontinued for less than 2 weeks before surgery; or subjects with hematological or autoimmune disorders (e.g., aplastic anemia, systemic lupus erythematosus); or subjects with clinically significant coagulation test abnormalities during the screening period. * Subjects assessed by an anesthesiologist to be unable to tolerate anesthesia and surgery. * …