{"data":{"id":"us/21-cfr-870.5900","jurisdiction":"us","citation":"21 CFR 870.5900","heading":"Thermal regulating system.","body":"(a) Identification. A thermal regulating system is an external system consisting of a device that is placed in contact with the patient and a temperature controller for the device. The system is used to regulate patient temperature.\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 F—Cardiovascular 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":"6f168eef7dcf2ea82dba6deaf4681b828443c0fe80b68295e9767184d9f16e8d","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.5800","next":"us/21-cfr-870.5910"},"notice":"GroundRules: Original legal text. Not legal advice."}