StacksVerified U.S. regulatory reference

21 CFR §890.1450

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. A powered reflex hammer is a motorized device intended for medical purposes to elicit and determine controlled deep tendon reflexes.
  2. (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.