Beds – Mattress – Having confined gas
Patent
1995-10-19
1998-05-05
Grosz, Alexander
Beds
Mattress
Having confined gas
5713, A47C 2710, A61G 7057
Patent
active
057459428
ABSTRACT:
In a preferred embodiment, a lateral rotation therapy mattress system for a patient, including: a plurality of side-by-side longitudinal air cells, the air cells being divided into first and second side-by-side groups, wherein decreasing the pressure of pressurized air in the second group will cause the patient to rotate in the direction of the second group; and first and second pairs of solenoid valves connected to provide, respectively, the pressurized air to the first and second groups, wherein opening one of the solenoid valves in a the first and second pairs of solenoid valves will provide a desired low air pressure level and opening both of the solenoid valves in a the first and second pairs of solenoid valves will provide a desired high air pressure level, the low air pressure levels providing partial turn of the patient and the high pressure levels providing full turn of the patient.
REFERENCES:
patent: 3426373 (1969-02-01), Scott et al.
patent: 3775781 (1973-12-01), Bruno et al.
patent: 5092007 (1992-03-01), Hasty
patent: 5142720 (1992-09-01), Kelso et al.
patent: 5375273 (1994-12-01), Bodine, Jr. et al.
patent: 5487196 (1996-01-01), Wilkinson et al.
Crozier John H.
Geomarine Systems, Inc.
Grosz Alexander
LandOfFree
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