Beds – Bedclothing – And means to facilitate changing thereof
Patent
1988-03-21
1990-02-20
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5468, 5481, A47C 2714, A61G 704
Patent
active
049013874
ABSTRACT:
A foam overlay (A,A') is disclosed which includes a rectangular base (C) and a plurality of individual and independently acting foam springs (B,B'). Each foam spring includes a base block (10,10') and a polyhedron body (14,14') atop each base block terminating in a planar support surface (12,12'). The foam springs are close enough to each other, yet separated sufficiently that they each act individually and independently. The foam springs may act together to support heavier portions of the body, but act independently in support of lighter body portions. Medical overlay pad (A') includes a main support section (32) and a secondary support section (30) of shorter foam springs D. Foam springs (B') of main section (32) support at a higher level than foam springs (D) of secondary support section (30). This allows pressure to be reduced on the lower extremities, such as the heel, during prolonged bed rest as well as on upper torso.
REFERENCES:
patent: 2785739 (1957-03-01), McGregor et al.
patent: 3016317 (1962-01-01), Brunner
patent: 3222697 (1965-12-01), Scheermesser
patent: 4070719 (1978-01-01), Morgan
patent: 4603445 (1986-08-01), Spann
patent: 4665573 (1987-05-01), Fiore
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patent: 4741058 (1988-05-01), Williams et al.
patent: 4768251 (1988-09-01), Baskent
patent: 4809374 (1989-03-01), Saviez
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