Thermal therapy devices and methods of making the same

Details Thermal therapy devices and methods of making the same Thermal therapy devices and methods of making the same

A - Human Necessities

61

F

A61F 7/00 (2006.01) A61F 7/10 (2006.01)

Patent

CA 2279223

A cost effective, high heat capacity thermal therapy device (10) is described. The therapy device (10) includes a plurality of discrete hydrophilic absorbers (30) hydrated with a liquid containing a substantial amount of water (32). The water retention mechanism of the discrete hydrophilic absorbers allows the water to freeze under normal freezer conditions (-20 ~F to 32 ~F), increasing the heat capacity of the therapy device. At the same time, the therapy device remains highly pliable when frozen as a result of reduced water flow out of the absorbers during the freezing process. The therapy device also remains highly pliable through repeated freezing/melting cycles because the discrete absorbers do not lose their discrete forms when thawed.

Dispositif (10) de thérapie économique et à capacité thermique élevée. Le dispositif (10) de thérapie comporte une pluralité d'éléments absorbants (30) hydrophiles discrets hydratés par un liquide contenant une quantité substantielle d'eau (32). Le mécanisme de rétention d'eau des éléments absorbants hydrophiles discrets permet de congeler l'eau dans des conditions de congélation normales (-20 ·F à 32 ·F), ce qui accroît la capacité thermique du dispositif de thérapie. Simultanément, le dispositif de thérapie reste extrêmement souple à l'état congelé en raison du faible flux d'eau s'écoulant hors des éléments absorbants pendant le processus de congélation. Le dispositif de thérapie conserve en outre sa grande souplesse lors de cycles répétés de congélation/décongélation parce que les éléments absorbants discrets ne perdent pas leur forme discrète à l'état décongelé.

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