Thermal therapy sleeve
View Patent ↗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.
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.