{"data":{"id":"us/21-cfr-882.5300","jurisdiction":"us","citation":"21 CFR 882.5300","heading":"Methyl methacrylate for cranioplasty.","body":"(a) Identification. Methyl methacrylate for cranioplasty (skull repair) is a self-curing acrylic that a surgeon uses to repair a skull defect in a patient. At the time of surgery, the surgeon initiates polymerization of the material and forms it into a plate or other appropriate shape to repair the defect.\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 882—NEUROLOGICAL DEVICES","Subpart F—Neurological Therapeutic 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":"6edbcb66637ce7c5771a9b71ef48515371661eaeb5cf839220ad3bd822248a08","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-882.5275","next":"us/21-cfr-882.5320"},"notice":"GroundRules: Original legal text. Not legal advice."}