21 CFR § 890.3175 - Flotation cushion.

---
identifier: "/us/cfr/t21/s890.3175"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 890.3175 - Flotation cushion."
title_number: 21
title_name: "Food and Drugs"
section_number: "890.3175"
section_name: "Flotation cushion."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "MEDICAL DEVICES"
part_number: "890"
part_name: "PHYSICAL MEDICINE DEVICES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 351, 360, 360c, 360e, 360j, 360 371."
regulatory_source: "48 FR 53047, Nov. 23, 1983, unless otherwise noted."
cfr_part: "890"
---


# 890.3175 Flotation cushion.

(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.

(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.

[48 FR 53047, Nov. 23, 1983, as amended at 61 FR 1125, Jan. 16, 1996; 66 FR 38816, July 25, 2001]