Multi-walled gelastic material

Details Multi-walled gelastic material Multi-walled gelastic material

2006-11-20

2010-06-08

Cuomo, Peter M (Department: 3673)

Beds

Support for users body or part thereof

Liquid or gel containing

C005S644000, C005S654000, C005S909000, C267S153000, C297S452270

Reexamination Certificate

active

07730566

ABSTRACT:
The present invention is directed to a gelastic cushion. The gelastic cushion is made from a conventional gelastic composition. The gelastic cushion has a structure having a first wall that defines an opening area and buckles when a force is applied to the first wall. When the first wall buckles a predetermined amount, a second wall, interconnected to the first wall, also buckles. The second wall decreases the chance that the first wall bottoms out. Bottoming out increases the pressure on the patient (a.k.a., the force) overlying the gelastic cushion. That increased pressure is undesirable.

REFERENCES:
patent: 5336708 (1994-08-01), Chen
patent: 5749111 (1998-05-01), Pearce
patent: 7076822 (2006-07-01), Pearce
patent: 2003/0110567 (2003-06-01), Kawamura
patent: 2005/0223667 (2005-10-01), McCann
patent: 1421878 (2004-05-01), None
European search report for corresponding European application—8 pages.

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