{"data":{"id":"us/21-cfr-870.4240","jurisdiction":"us","citation":"21 CFR 870.4240","heading":"Cardiopulmonary bypass heat exchanger.","body":"(a) Identification. A cardiopulmonary bypass heat exchanger is a device, consisting of a heat exchange system used in extracorporeal circulation to warm or cool the blood or perfusion fluid flowing through the device.\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":"c59a863f25ed39f1b79d6367fde27242e9d5db42b4823547ffc2ae6803f0daf4","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.4230","next":"us/21-cfr-870.4250"},"notice":"GroundRules: Original legal text. Not legal advice."}