Fluid cushion with passages for ischial spines

Details Fluid cushion with passages for ischial spines Fluid cushion with passages for ischial spines

1991-07-03

1992-05-19

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5450, 5451, 5458, 297459, 297DIG3, A47C 2708

Patent

active

051135400

ABSTRACT:
This invention provides for a fluid cushion (10) defined by a fluid tight closed housing (22) which is deformable by applied load of a user (12). The fluid cushion (10) includes an upper surface member (24) and a lower surface member (26) having a tubular mechanism (42) defining through passages (46) which are for insertion of particular bones of the human body. The tubular mechanism (42) has tubular sidewall members (50) which are contoured to provide an apex (52) at a substantially central location between the upper surface member (24) and the lower surface member (26) and allows for maintenance of a fluid medium (20) in the space (48) between a pair of openings (32 and 34). In this manner, a resilient and deformable fluid cushion (10) is provided for a user (12) to relieve particular discomforting applied loads to the ischia spine bones of a user (12).

REFERENCES:
patent: 180528 (1976-08-01), Baggett
patent: 187397 (1977-02-01), Macintosh et al.
patent: 1673636 (1928-06-01), Perry
patent: 1830570 (1931-11-01), Smith et al.
patent: 2625209 (1953-01-01), Harrison et al.
patent: 4766629 (1988-08-01), Schueler

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