{"data":{"id":"us/21-cfr-868.1670","jurisdiction":"us","citation":"21 CFR 868.1670","heading":"Neon gas analyzer.","body":"(a) Identification. A neon gas analyzer is a device intended to measure the concentration of neon in a gas mixture exhaled by a patient. The device may use techniques such as mass spectrometry or thermal conductivity.\n(b) 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 B—Diagnostic 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":"ccdffc41528bafb281dfddf1ca0b5b94d5cff4e280decc334820aee572f97e69","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-868.1640","next":"us/21-cfr-868.1690"},"notice":"GroundRules: Original legal text. Not legal advice."}