{"data":{"id":"us/21-cfr-870.1660","jurisdiction":"us","citation":"21 CFR 870.1660","heading":"Indicator injector.","body":"(a) Identification. An indicator injector is an electrically or gas-powered device designed to inject accurately an indicator solution into the blood stream. This device may be used in conjuction with a densitometer or thermodilution device to determine cardiac output.\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 B—Cardiovascular Diagnostic 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":"8aaf191bc164189cbb679082504e26a5c9616c3edc9fe372f2adcea725639b6e","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-870.1650","next":"us/21-cfr-870.1670"},"notice":"GroundRules: Original legal text. Not legal advice."}