{"data":{"id":"us/21-cfr-870.2750","jurisdiction":"us","citation":"21 CFR 870.2750","heading":"Impedance phlebograph.","body":"(a) Identification. An impedance phlebograph is a device used to provide a visual display of the venous pulse or drainage by measuring electrical impedance changes in a region of the body.\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":"4c46ade3d85bd4a355ee615302e36292c569b44457d33d4c0296be13b9259f92","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.2710","next":"us/21-cfr-870.2770"},"notice":"GroundRules: Original legal text. Not legal advice."}