{"data":{"id":"us/21-cfr-868.5675","jurisdiction":"us","citation":"21 CFR 868.5675","heading":"Rebreathing device.","body":"(a) Identification. A rebreathing device is a device that enables a patient to rebreathe exhaled gases. It may be used in conjunction with pulmonary function testing or for increasing minute ventilation.\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 § 868.9.","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":"4a9b66f4dc4d466a67b56da40932a01fc2b1d77f18fa95a2ff4f042041d03d82","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-868.5665","next":"us/21-cfr-868.5690"},"notice":"GroundRules: Original legal text. Not legal advice."}