Medical apparatus and instruments; electronic medical apparatus; medical diagnostic devices and instruments; medical devices and instruments for the monitoring and treatment of health and medical conditions; medical implants; wearable medical devices; electrodes for medical use; sensors (measurement apparatus) for medical use; medical apparatus for the monitoring and treatment of epilepsy; all of the aforementioned being for use in the diagnosis, monitoring, management and treatment of neurological conditions and central nervous system disorders in humans, namely, epilepsy, seizure control, psychosis, dementia, Alzheimer's disease and for brain machine interfacing, namely, neural control of artificial limb prosthetics; none of the foregoing being syringes.