Surgery – Truss – Pad
Patent
1989-12-26
1991-12-03
Coven, Edward M.
Surgery
Truss
Pad
128402, 383901, 62530, A61F 702
Patent
active
050692089
ABSTRACT:
A pad for hot or cold therapeutic applications comprises a fluid-tight and flexible covering (13) which may be of a double or triple composite sheet, containing a sheet of polyethylene. Enclosed in the covering are, on the one hand, a mass of heat-exchanging fluid (12) which may be a gel, an emulsion, or another stable fluid, having a high specific heat, and, on the other hand, a set of cells (10). Each cell comprises, in a likewise fluid-tight and flexible covering (14), a mass of thermally active material (11) which presents a change of state with latent heat of transformation as high as possible, in a range of temperature adapted to the application aimed at. For a cold application, the temperature of transformation of the material will have a value between -15.degree. C. and +15.degree.C., for example. For a hot application, the temperature will be between +35.degree. C. and +70.degree. C., for example.
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Noppel Rene
Wuillemin Kurt
Coven Edward M.
Graham Mark S.
Term-ac S.A.
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