Beds – Mattress – Having confined gas
Patent
1999-05-28
2000-05-09
Trettel, Michael F.
Beds
Mattress
Having confined gas
5715, A61G 706
Patent
active
060585382
ABSTRACT:
A patient support includes an alternating pressure pad having separate sets of alternately inflatable cells and at least one further inflatable cell under the pad, with a support for the head of a patient lying thereon, and a control mechanism arranged to maintain alternate inflation and deflation of the cells of the pad to deflate the cells at the head end of the pad and also to inflate the cells under the pad in order to raise the level of the chest of a patient supported on the pad.
REFERENCES:
patent: 1772310 (1930-08-01), Hart
patent: 3978530 (1976-09-01), Amarantos
patent: 4225989 (1980-10-01), Corbett et al.
patent: 4428087 (1984-01-01), Horn
patent: 4639960 (1987-02-01), Quillen et al.
patent: 4941221 (1990-07-01), Kanzler
patent: 5611096 (1997-03-01), Bartlett et al.
Chapman Paul William
Fletcher Veronica Irene
McLeod Alastair George
Perry Clive Russel
Huntleigh Technology PLC
Trettel Michael F.
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