{"data":{"id":"us/21-cfr-890.3100","jurisdiction":"us","citation":"21 CFR 890.3100","heading":"Mechanical chair.","body":"(a) Identification. A mechanical chair is a manually operated device intended for medical purposes that is used to assist a disabled person in performing an activity that the person would otherwise find difficult to do or be unable to do. Examples of mechanical chairs include the following: A chair with an elevating seat used to raise a person from a sitting position to a standing position and a chair with casters used by a person to move from one place to another while sitting.\n(b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter, subject to the limitations in § 890.9.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 890—PHYSICAL MEDICINE DEVICES","Subpart D—Physical Medicine Prosthetic Devices"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"980d43581bfc757ea819ae3516330b11aea1cf7b551ad4acfb2eb49457c84097","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-890.3075","next":"us/21-cfr-890.3110"},"notice":"GroundRules: Original legal text. Not legal advice."}