Hyperbaric chambers are a Class II medical device. As indicated in the FDA 510(K) clearance, these chambers—both the portable mild and steel types—are prescription devices.
The mild portable chambers are cleared for the treatment of oxygen deficiency due to High Altitude Sickness (also known as AMS) and its associated mild symptoms.
The steel chambers are cleared for the treatment of 13 recognized indications, which are:
FDA regulations require that the chambers be sold to or on the order of a state licensed practitioner.