“Assistive technology device,” as provided in paragraph (1) of Section 1401 of Title 20 of the United States Code, means any item, piece of equipment, or product system, whether acquired commercially without the need for modification, modified, or customized, that is used to increase, maintain, or improve functional capabilities of an individual with exceptional needs. The term does not include a medical device that is surgically implanted, or the replacement of that device.
Source:
Section 56020.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=EDC§ionNum=56020.5..