Hyperbaric oxygen therapy saved Minnesota man from amputation

Hyperbaric oxygen therapy, or HBOT, is a relatively new form of treatment to this area, but it's actually been around since the 1960s. Though it was originally known as the primary form of treatment for deep sea divers suffering from "the bends," HBOT has been adapted to a variety of uses. For one Park Rapids, Minnesota, man, it meant the difference between an eventual, full healing and further amputation of a limb on which he already used a prosthetic.
Source: https://www.bemidjipioneer.com