The PAH-M10+2 Hyperbaric Chamber System is a Class A multiplace hyperbaric chamber designed to treat up to 10 patients at up to a maximum operating pressure of 6 Atmospheres Absolute (ATA) or 73.5 pounds per square inch gauge (psig). The chamber uses compressed air as the pressurization gas and 100% oxygen as the hyperbaric treatment gas.

The PAH-M10+2 Hyperbaric Chamber System is designed and fabricated in accordance with the requirements of the ANSI/ASME Boiler and Pressure Vessel Code, Section VIII, Division 1, Pressure

Vessels; ANSI/ASME-PVHO-1 (American Society of Mechanical Engineers-Pressure Vessels for Human Occupancy); and, NFPA 99, Health Care Facilities, Chapter 19, Hyperbaric Facilities.

The overall external length of the chamber is 7025mm (approx. 23 ft). Its internal diameter is 2500mm (approx. 8.2 ft). There are two compartments: main compartment and transfer compartment. Ten (10) seats and two (2) seats are installed in main compartment and transfer compartment respectively. Besides, there is one (1) additional seat installed in the main compartment for attendant. Two independent fire suppression systems, water deluge system and handline system, are installed in accordance with the requirement of NFPA 99, Chapter 19. Pressurization is provided by compressed air with 100% oxygen administered to the patient by using properly fitting oronasal masks or head tents. A low-voltage patient intercommunication system designed and installed in accordance with NFPA 99, Chapter 19 and provides communications between the patients in the chamber and the outside chamber operator. It also provides patients with audio program content from external sources such as CD players, radios, etc. A Teledyne TED-191 oxygen analyzer is installed to monitor the concentration of oxygen inside the chamber continually. The system consists of an operator control console that contains all of the controls and connection points. Single operator chamber pressure control is achieved via a simple manual pneumatic control. A penetrator plate is provided in the vessel wall to allow user supplied medical monitoring leads, etc., to be used as required. The rectangular door allows a normal size patient gurney to be used to transport nonambulatory patients into the chamber. This feature greatly improves patient handling safety.

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