Abstract: A hyperbaric oxygen treatment apparatus for use by a patient recumbent on a bed comprising, an openface chamber and an adjustable rigid support therefore, the chamber having a closed rear side and an open front side, the opening in the front side of the chamber being defined by a forwardly projecting first gasket presenting a resilient feather edge which is adapted for substantially gas-tight engagement with a human body surface along a line surrounding an area to be treated, and the rear side of the chamber being provided with fittings for connection to the support and to a controlled source of oxygen, and the rigid support including articulated members connecting the chamber to at least one bed rail.

Abstract: A treatment chamber for a human extremity specially adapted for use with a pulsed or hyperbaric oxygen supply, the chamber comprising upper and lower sections adapted to be sealingly clamped together and provided at one end with a demountable annular sleeve, which fits sealingly against the sides of a patient's extremity and against a chamber end closure element.

Abstract: A treatment chamber for a portion of a human body specially adapted for use with a pulsed or hyperbaric oxygen supply, the chamber comprising upper and lower sections adapted to be sealingly clamped together and provided at both ends with demountable annular sleeves fitting sealingly against the adjacent body surfaces, such as thighs and midriff, respectively.