{"data":{"id":"us/21-cfr-890.1450","jurisdiction":"us","citation":"21 CFR 890.1450","heading":"Powered reflex hammer.","body":"(a) Identification. A powered reflex hammer is a motorized device intended for medical purposes to elicit and determine controlled deep tendon reflexes.\n(b) Classification. Class II (special controls). The device is exempt from the premarket notification procedures in subpart E of part 807 of this chapter subject to the limitations in § 890.9.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER H—MEDICAL DEVICES","PART 890—PHYSICAL MEDICINE DEVICES","Subpart B—Physical Medicine 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":"06c21648deedba928f6bbd2d5894ea43900b3ba25b3959e4b080689574214117","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-890.1385","next":"us/21-cfr-890.1575"},"notice":"GroundRules: Original legal text. Not legal advice."}