Beds – Sofa bed – Reverting back
Patent
1990-02-12
1990-12-18
Trettel, Michael F.
Beds
Sofa bed
Reverting back
5 90, 5455, 5431, A61G 704
Patent
active
049776290
ABSTRACT:
A multi-chambered, normally deflated pad positioned on a bed wherein the bed-ridden person would make contact with the pad in that area of the body between the hips and shoulder. The pad would have first and second inflatable chambers positioned adjacent the bed, which would overlap down a double longitudinal axis. Each chamber would be independent from the second chamber and would be provided with an inlet for pressurized air to be pumped thereinto, for selectively inflating that particular chamber which one wishes to inflate. Following the introduction of air into the chamber, the chamber would slowly inflate exerting force on the portion of the patient directly above it, and since each of the respective chambers are positioned substantially over half of the bed, the patient would be moved or rotated on a rotational axis of any desired angle between the vertical and the horizontal as inflation or deflation is accomplished.
REFERENCES:
patent: 1981666 (1934-11-01), Ridley
patent: 3477071 (1969-11-01), Emerson
patent: 3935604 (1976-02-01), Collins
patent: 4005498 (1977-02-01), Starr et al.
patent: 4207633 (1980-06-01), Smith et al.
patent: 4309783 (1982-01-01), Cammack et al.
patent: 4472848 (1984-09-01), Newman
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