Seating system with pressure relieving fluid pad

Details Seating system with pressure relieving fluid pad Seating system with pressure relieving fluid pad

1994-10-03

1996-02-13

Grosz, Alexander

Beds

Support for users body or part thereof

Removable support specially adapted for seating

29745241, A47C 2718, A47C 702

Patent

active

054902991

ABSTRACT:
A seating system primarily intended for use in wheelchairs and similar applications for reducing the development of decubitus ulcers. The seating system includes a relatively rigid, shaped tray and a pressure relieving fluid pad. The tray has a thigh supporting shelf and a depressed seating well. The fluid pad preferably has a plurality of fluid pouches positionable over the thigh supporting shelf of the tray and an array of rearward pouches positionable over the depressed seating well. The rearward pouches in the seating well are wedge shaped and taper downwardly in vertical thickness from one end portion to the other. Each rearward pouch has its thicker end portion overlying a central part of the seating well and its thinner end portion positioned over the upwardly inclined, outer rim section of the seating well. In this manner, the resulting arrangement of the rearward pouches concentrates the bulk of the fluid toward the center or middle of the seating well to substantially prevent any undesirable bottoming out of the user's ischial tuberosities and coccyx on the rigid tray.

REFERENCES:
patent: 4726624 (1988-02-01), Jay
patent: 5201780 (1993-04-01), Dinsmoor, III et al.
patent: 5352023 (1994-10-01), Jay et al.
patent: 5378045 (1995-01-01), Siekman et al.
patent: 5390384 (1995-02-01), Dinsmoor, III et al.
patent: 5395162 (1995-03-01), Jay et al.

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