ApplicationNo. 512570 filed on 04/09/1990
US Classes:5/713Variably pressurizable chambers (e.g., with pump)
ExaminersPrimary: Trettel, Michael F.
Attorney, Agent or Firm
Foreign Patent References
International ClassA61G 007/06
AbstractA method and apparatus for therapeutically treating immobile patients is disclosed. A low air loss bed is provided having groups of transversely oriented air bags, each group corresponding to a different portion of the body of a patent supported thereon. Each group comprises first and second sets of air bags alternately positioned in an interdigitated fashion. Valves and circuitry are provided for maintaining a selectable baseline pressure in the air bags belonging to each group. The valves and circuitry is also capable of changing the pressures in each of the sets of air bags mounted to each section of the frame to selectable maximum and minimum values above and below the baseline pressure in a repetitive and cyclical fashion.
Field of SearchAnd means to force air