{"data":{"id":"us/21-cfr-870.4300","jurisdiction":"us","citation":"21 CFR 870.4300","heading":"Cardiopulmonary bypass gas control unit.","body":"(a) Identification. A cardiopulmonary bypass gas control unit is a device used to control and measure the flow of gas into the oxygenator. The device is calibrated for a specific gas.\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 870—CARDIOVASCULAR DEVICES","Subpart E—Cardiovascular Surgical 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":"34e10e875445bbaaa29ba4512d43607430f1ab8e5cd71354baa65ef3e4922e05","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.4290","next":"us/21-cfr-870.4310"},"notice":"GroundRules: Original legal text. Not legal advice."}