{"data":{"id":"us/21-cfr-868.5160","jurisdiction":"us","citation":"21 CFR 868.5160","heading":"Gas machine for anesthesia or analgesia.","body":"(a) Gas machine for anesthesia—(1) Identification. A gas machine for anesthesia is a device used to administer to a patient, continuously or intermittently, a general inhalation anesthetic and to maintain a patient's ventilation. The device may include a gas flowmeter, vaporizer, ventilator, breathing circuit with bag, and emergency air supply.\n(2) Classification. Class II (performance standards).\n(b) Gas machine for analgesia—(1) Identification. A gas machine for analgesia is a device used to administer to a patient an analgesic agent, such as a nitrous oxide-oxygen mixture (maximum concentration of 70 percent nitrous oxide).\n(2) Classification. Class II (performance standards).","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 868—ANESTHESIOLOGY DEVICES","Subpart F—Therapeutic 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":"ab5ffef68e5f328e71c226bde72968942cf790b2fbe3387cf0a35555b7ae6897","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-868.5150","next":"us/21-cfr-868.5165"},"notice":"GroundRules: Original legal text. Not legal advice."}