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,...http://www.google.es/patents/US5069208?utm_source=gb-gplus-sharePatente US5069208 - Therapeutic device comprising a mass of a thermally active material
Therapeutic device comprising a mass of a thermally active material