{"data":{"id":"us/21-cfr-888.4150","jurisdiction":"us","citation":"21 CFR 888.4150","heading":"Calipers for clinical use.","body":"(a) Identification. A caliper for clinical use is a compass-like device intended for use in measuring the thickness or diameter of a part of the body or the distance between two body surfaces, such as for measuring an excised skeletal specimen to determine the proper replacement size of a prosthesis.\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":"b9c9b3f334e60c90e325aedbba83c12931273025ef8856feffdb8aab589df7db","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-888.3810","next":"us/21-cfr-888.4200"},"notice":"GroundRules: Original legal text. Not legal advice."}