Medical devices for implantation in or use external to a patient's body, namely, nerve stimulation apparatus and associated surgical implantation tools and energization devices for treating physiological and pathological diseases and disorders of the body, principally of the head, namely, stroke, migraine, brain malignancies, neurodegenerative and eye and ear disorders, by modifying properties of the blood-brain barrier to enhance therapeutic drug delivery to the brain

Medical devices for implantation in or use external to a patient's body, namely, nerve stimulation apparatus and associated surgical implantation tools and energization devices for treating physiological and pathological diseases and disorders of the body, principally of the head, namely stroke, migraine, brain malignancies, neurodegenerative and eye and ear disorders, by modifying properties of the blood-brain barrier to enhance therapeutic drug delivery to the brain