Therapeutic aid

Details Therapeutic aid Therapeutic aid

1975-07-16

1976-10-26

Gilliam, Paul R.

Beds

Bedsteads

Element or detail

5349, A47C 2708

Patent

active

039875067

ABSTRACT:
A therapeutic aid comprises a fluid-filled cushion formed from sheets of synthetic plastics material welded together with a weld line dividing the interior of the cushion into two compartments. This weld line is interrupted to provide a flow opening allowing fluid to flow between the two compartments and the portions of the weld line adjacent the opening having rounded edges and are of increased width.

REFERENCES:
patent: 3128480 (1964-04-01), Lineback
patent: 3235892 (1966-02-01), Emery
patent: 3296635 (1967-01-01), O'Hanlan
patent: 3583008 (1971-06-01), Edwards

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