{"data":{"id":"us/21-cfr-870.2120","jurisdiction":"us","citation":"21 CFR 870.2120","heading":"Extravascular blood flow probe.","body":"(a) Identification. An extravascular blood flow probe is an extravascular ultrasonic or electromagnetic probe used in conjunction with a blood flowmeter to measure blood flow in a chamber or vessel.\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 C—Cardiovascular Monitoring 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":"bd88d1faa174afbcfb36b8a0fd47808b25d18a2a130fef4b5c97bf663866e589","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.2100","next":"us/21-cfr-870.2200"},"notice":"GroundRules: Original legal text. Not legal advice."}