Brain pacemakers; Ultrasound apparatus for veterinary use; Ultrasound appliances for dental and medical use; Ultrasound diagnostic apparatus; Ultrasound probe for medical use; Cosmetic apparatus using ultrasound for performing aesthetic skin treatment procedures; Electrical stimulation apparatus for nervous system for treatment purposes; Electronic stimulation apparatus for nervous system for physical therapy purposes; High intensity focused ultrasound (HIFU) apparatus for surgical use; Medical ultrasound apparatus; Medical apparatus and instruments for use in positron emission tomography (PET) imaging used to monitor brain, heart and metabolic functions; Medical apparatus and instruments, namely, a handheld ultrasound unit for cardiac diagnosis, screening and cardiovascular patient follow-up; Medical devices and apparatus, namely, ultrasound imaging apparatus, scanners and needle guides, and parts and fittings therefor; Medical imaging devices for nervous system