ISO 9999:2016 establishes a classification and terminology of assistive products, especially produced or generally available, for persons with disability. Assistive products used by a person with disability, but which require the assistance of another person for their operation, are included in the classification. The following items are specifically excluded from this International Standard: - items used for the installation of assistive products; - solutions obtained by combinations of assistive products that are individually classified in this International Standard; - medicines; - assistive products and instruments used exclusively by healthcare professionals; - non-technical solutions, such as personal assistance, guide dogs or lip-reading; - implanted devices; - financial support.