초록 ▼

A flexible thermal therapy sleeve is disclosed. The sleeve includes a first layer including a first phase change material having a transition temperature of from about ?10° C. to about 40° C., and a second layer including a second phase change material having a transition temperature of from about 3

A flexible thermal therapy sleeve is disclosed. The sleeve includes a first layer including a first phase change material having a transition temperature of from about ?10° C. to about 40° C., and a second layer including a second phase change material having a transition temperature of from about 35° C. to about 65° C. The first layer is joined to the second layer to form at least a partial enclosure having an opening through which a thermoactive material may be inserted and removed.

대표청구항 ▼

1. A flexible thermal therapy sleeve comprising:a first layer including a first phase change material having a transition temperature of from about ?10° C. to about 40° C.; and a second layer including a second phase change material having a transition temperature of from about 35° C. to about 65° C

1. A flexible thermal therapy sleeve comprising:a first layer including a first phase change material having a transition temperature of from about ?10° C. to about 40° C.; and a second layer including a second phase change material having a transition temperature of from about 35° C. to about 65° C., wherein the first layer is joined to the second layer to form at least a partial enclosure having an opening through which a thermoactive material may be inserted and removed. 2. The sleeve of claim 1, wherein the first phase change material is selected from the group consisting of n-eicosane, n-hemeicosane, n-docosane, n-tricosane, n-tetracosane, n-pentacosane, n-hexacosane, n-heptacosane, n-octacosane, and a combination thereof.3. The sleeve of claim 1, wherein the second phase change material is selected from the group consisting of n-tridecane, n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, and a combination thereof.4. A flexible thermal therapy sleeve comprising:a first layer including a first phase change material and a second phase change material, the first phase change material having a transition temperature of from about ?10° C. to about 40° C. and the second phase change material having a transition temperature of from about 35° C. to about 65° C.; and a second layer joined to the first layer to form at least a partial enclosure having an opening through which a thermoactive material may be inserted and removed. 5. The sleeve of claim 1, wherein the first phase change material is selected from the group consisting of n-eicosane, n-hemeicosane, n-docosane, n-tricosane, n-tetracosane, n-pentacosane, n-hexacosane, n-heptacosane, n-octacosane, and a combination thereof.6. The sleeve of claim 1, wherein the second phase change material is selected from the group consisting of n-tridecane, n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, and a combination thereof.7. The sleeve of claim 4, wherein the second layer comprises a third phase change material.8. The sleeve of claim 7, wherein the third phase change material has a transition temperature of from about ?10° C. to about 40° C.9. The sleeve of claim 7, wherein the third phase change material has a transition temperature of from about 35° C. to about 65° C.10. A thermal therapy system having an extended therapeutic duration comprising:a thermoactive material comprising a chemical pack, the pack including a first phase change material, a solute, and a solvent, wherein the solute and the solvent are separated by a membrane, where the rupturing of the membrane causes the combination of the solute and solvent and produces an endothermic reaction or an exothermic reaction; and a flexible sleeve including a first layer and a second layer, the first layer including a second phase change material having a transition temperature of from about ?10° C. to about 40° C. and a third phase change material having a transition temperature of from about 35° C. to about 65° C., wherein the first layer is joined to the second layer to form at least a partial enclosure having an opening through which the thermoactive material may be inserted and removed. 11. The system of claim 10, wherein the solute comprises ammonium nitrate.12. The system of claim 10, wherein the first phase change material has a transition temperature of from about ?10° C. to about 40° C.13. The system of claim 10, wherein the first phase change material is selected from the group consisting of n-tridecane, n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, and a combination thereof.14. The system of claim 10, wherein the solute comprises calcium chloride.15. The system of claim 10, wherein the first phase change material has a transition temperature of from about 35° C. to about 65° C.16. The system of claim 10, wherein the first phase change material is selected from the group consisting of n-eicosane, n-hemeicosane, n-docosane, n-tricosane, n-tetracosane, n-pentacosane, n-hexacosane, n-heptacosane, n-octacosane, and a combination thereof.17. A thermal therapy system having an extended therapeutic duration comprising:a thermoactive material comprising a chemical pack, the pack including a first phase change material, a solute, and a solvent, wherein the solute and the solvent are separated by a membrane, where the rupturing of the membrane causes the combination of the solute and solvent and produces an endothermic reaction or an exothermic reaction; and a flexible sleeve comprising a first layer and a second layer, the first layer including a second phase change material having a transition temperature of from about ?10° C. to about 40° C., and the second layer including a third phase change material having a transition temperature of from about 35° C. to about 65° C., wherein the first layer is joined to the second layer to form at least a partial enclosure having an opening through which the thermoactive material may be inserted and removed. 18. The system of claim 17, wherein the first phase change material has a transition temperature of from about ?10° C. to about 40° C.19. The system of claim 17, wherein the first phase change material has a transition temperature of from about 35° C. to about 65° C.20. The system of claim 17, wherein the first phase change material, the second phase change material, and the third phase change material are selected from the group consisting of n-eicosane, n-hemeicosane, n-docosane, n-tricosane, n-tetracosane, n-pentacosane, n-hexacosane, n-heptacosane, n-octacosane, n-tridecane, n-tetradecane, n-pentadecane, n-hexadecane, n-heptadecane, n-octadecane, n-nonadecane, n-eicosane, and a combination thereof.