{"data":{"id":"us/21-cfr-888.4600","jurisdiction":"us","citation":"21 CFR 888.4600","heading":"Protractor for clinical use.","body":"(a) Identification. A protractor for clinical use is a device intended for use in measuring the angles of bones, such as on x-rays or in surgery.\n(b) Classification. Class I (general controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter, subject to the limitations in § 888.9.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 888—ORTHOPEDIC DEVICES","Subpart E—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":"842ac8b2b6e49aab593dd5b401b5dec0e49256915ff35d34be8b1a8c5c49fc0d","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-888.4580","next":"us/21-cfr-888.4800"},"notice":"GroundRules: Original legal text. Not legal advice."}