Alternating pressure mattress system and method

Details Alternating pressure mattress system and method Alternating pressure mattress system and method

1996-02-15

1997-11-11

Trettel, Michael F.

Beds

Mattress

Having confined gas

5710, A61G 704

Patent

active

056850360

ABSTRACT:
In one preferred embodiment, an alternating pressure mattress system, including: a mattress including a plurality of narrow, parallel, closely-spaced, horizontally adjacent air sacks, every other one of the air sacks forming a first group of air sacks being commonly connected for the introduction thereinto of pressurized air and the others of the air sacks forming a second group of air sacks and being commonly connected for the introduction thereinto of pressurized air; apparatus to supply the pressurized air to the first and second groups of air sacks; control apparatus to alternatingly inflate and deflate the first and second groups of air sacks for selected periods of time; and the control apparatus providing for intervals of time at inflation/deflation transitions during which periods of time the pressurized air is being furnished to both the first and second groups of air sacks.

REFERENCES:
patent: 4825486 (1989-05-01), Kimura et al.
patent: 4993920 (1991-02-01), Harkerload et al.
patent: 5035016 (1991-07-01), Mori et al.
patent: 5117518 (1992-06-01), Schild
patent: 5243721 (1993-09-01), Teasdale
patent: 5267364 (1993-12-01), Volk

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