U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 07, 2025
(a) Identification. A hyperbaric chamber is a device that is intended to increase the environmental oxygen pressure to promote the movement of oxygen from the environment to a patient's tissue by means of pressurization that is greater than atmospheric pressure. This device does not include topical oxygen chambers for extremities (§ 878.5650).
(b) Classification. Class II (performance standards).