Hard Chamber Vs Soft Chamber for Hyperbaric Oxygen Therapy
What’s the difference, really?
We receive calls all the time from people interested in hyperbaric oxygen therapy (HBOT) for a variety of conditions. Often during the conversation, soft or bag chambers are mentioned. Some people wonder if it is better to purchase one of these chambers for their home, in order to have the ability to use it everyday as opposed to going to a center for a number of days for treatment.
Please refer to the below table for information regarding the differences. As you research, please note that all of the clinical studies have been conducted in hard chambers with patients breathing 100% oxygen at depths greater than 1.5 ata.
Recently, Tom Workman and Jim Bell, UHMS Safety Committee published a special report discussing the safety at clinical hyperbaric centers. Read the complete NFPA Journal story at
Here is a summary of the most important differences between hard and soft hyperbaric chambers.