Air/water mattress and inflation apparatus

Details Air/water mattress and inflation apparatus Air/water mattress and inflation apparatus

1989-09-06

1990-08-07

Trettel, Michael F.

Beds

Bedclothing

And means to facilitate changing thereof

5453, 5457, A47C 2708

Patent

active

049455885

ABSTRACT:
An inflation system for a mattress having a lower, water chamber and a coextensive upper, air chamber includes a pair of opposed blowers, a solenoid air valve, both manual and pressure activated switches and control circuitry for activating and deactivating the blowers in response to pressure within the air chamber sensed by the pressure switch or manual commands. The air/water mattress and inflation system of the present invention is suitable for long term care bedridden patients which have a tendency to develop decubitus ulcers and further facilitates entry, repositioning and egress from the water mattress when the air chamber is inflated.

REFERENCES:
patent: 3456270 (1969-07-01), Weinstein et al.
patent: 3477071 (1969-11-01), Emerson
patent: 3803647 (1974-04-01), Reswick
patent: 4169295 (1979-10-01), Darling
patent: 4309783 (1982-01-01), Cammack et al.
patent: 4394784 (1983-07-01), Swenson et al.
patent: 4558476 (1985-12-01), Linder
patent: 4727607 (1988-03-01), Nystad
patent: 4829616 (1989-05-01), Walker

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