CFR › Title 21 › Part 890 › §890.385021 CFR §890.3850Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Identification. A mechanical wheelchair is a manually operated device with wheels that is intended for medical purposes to provide mobility to persons restricted to a sitting position.(b)Classification. Class I (general controls).