Fluidized bead bed

Details Fluidized bead bed Fluidized bead bed

1988-07-11

1991-04-23

Trettel, Michael F.

Beds

Sofa bed

Reverting back

5450, 5453, 5455, A61G 700

Patent

active

050089650

ABSTRACT:
A fluidized patient support apparatus is disclosed. The apparatus utilizes granular material beneath a patient support surface which when fluidized by pressurized gas uniformly distributes the pressure imparted to the body of a patient lying thereon. The apparatus includes means for recirculating the fluidizing gas in order to avoid raising the ambient temperature of a room in which the bed is situated with exhaust gas. Also provided are a pair of inflatable bladders and selective fluidization means to assist in turning and transferring the patient.

REFERENCES:
patent: 3428973 (1969-02-01), Hargest et al.
patent: 3428973 (1969-02-01), Hargest et al.
patent: 3485240 (1969-03-01), Fountain
patent: 3866606 (1975-02-01), Hargest
patent: 4483029 (1984-11-01), Paul
patent: 4498205 (1985-02-01), Hino
patent: 4564965 (1986-01-01), Goodwin
patent: 4637083 (1987-01-01), Goodwin
patent: 4768250 (1988-09-01), Kato

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