StacksVerified U.S. regulatory reference

21 CFR §890.3175

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Identification. A flotation cushion is a device intended for medical purposes that is made of plastic, rubber, or other type of covering, that is filled with water, air, gel, mud, or any other substance allowing a flotation media, used on a seat to lessen the likelihood of skin ulcers.
  2. (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 § 890.9.