A cold therapy system including a cooling bath; a therapy pad in fluid communication with the cooling bath; a pump positioned and arranged to pump water from the cooling bath to the therapy pad and back to the cooling bath; and a control unit controlling the pump, the control unit programmed to oper
A cold therapy system including a cooling bath; a therapy pad in fluid communication with the cooling bath; a pump positioned and arranged to pump water from the cooling bath to the therapy pad and back to the cooling bath; and a control unit controlling the pump, the control unit programmed to operate the pump according to a cycle in which the pump is operated at less than maximum to cause the therapy pad temperature to be raised and to conserve a cooling resource within the cooling bath.
대표청구항▼
1. A cold therapy system comprising: a cooling bath including a cavity therein configured to hold a cooling resource and liquid water;a therapy pad in fluid communication with the cavity of the cooling bath;a pump positioned and arranged to pump liquid water from the cavity of the cooling bath to th
1. A cold therapy system comprising: a cooling bath including a cavity therein configured to hold a cooling resource and liquid water;a therapy pad in fluid communication with the cavity of the cooling bath;a pump positioned and arranged to pump liquid water from the cavity of the cooling bath to the therapy pad and to pump liquid water from the therapy pad back to the cavity of the cooling bath;a heat exchanger external to liquid water held within the cavity of the cooling bath, wherein the heat exchanger is in fluid communication with the cavity of the cooling bath and the therapy pad and is positioned and arranged to exchange heat between liquid water flowing from the cavity of the cooling bath to the therapy pad and liquid water flowing from the therapy pad back to the cavity of the cooling bath; anda control unit configured to control the pump, the control unit programmed to operate the pump according to at least one of: (i) a flow-on/flow-off cycle during treatment or (ii) a high-flow/low-flow cycle during treatment, to adjust the therapy pad temperature and/or to conserve the cooling resource held within the cavity of the cooling bath. 2. The cold therapy system of claim 1, wherein the flow-on/flow-off cycle is electronically and automatically controlled by the control unit. 3. The cold therapy system of claim 1, wherein the control unit is further programmed to control the pump to switch between the flow-on/flow-off cycle and the high-flow/low-flow cycle. 4. The cold therapy system of claim 1, wherein the pump is operated at less than maximum for a particular percentage of time during the flow-on/flow-off cycle. 5. The cold therapy system of claim 1, wherein the pump is positioned to be submerged under liquid water within the cavity of the cooling bath. 6. The cold therapy system of claim 1, wherein the cooling resource is ice. 7. The cold therapy system of claim 1, wherein the cooling resource is ice; the system further comprising a fluid-tight container for holding the ice, the container positioned within the cavity of the cooling bath so that liquid water within the cavity of the cooling bath contacts the container, but not the ice held in the container. 8. The cold therapy system of claim 7, wherein the pump is submerged in liquid water within the cavity of the cooling bath. 9. The cold therapy system of claim 7, wherein the container is removeably mounted to a carrier for positioning the container within the cavity of the cooling bath. 10. The cold therapy system of claim 7, wherein the container is a first container, the cold therapy system further comprising a second fluid-tight container for holding ice, wherein the first container is placed in the cavity of the cooling bath for use, while the second container is configured to be kept frozen for replacement use. 11. The cold therapy system of claim 7, wherein the container is a first container, the cold therapy system further comprising a second fluid-tight container for holding ice, wherein the first and second containers are removeably interlocked together. 12. The cold therapy system of claim 11, wherein the ice-holding first and second containers are interlocked such that water can flow between the first and second containers. 13. The cold therapy system of claim 11, wherein the interlocked first and second containers are further configured to be removeably mounted to a carrier for transport. 14. The cold therapy system of claim 13, wherein the carrier and the interlocked first and second containers are structured and arranged such that the carrier rotates onto and off of the interlocked first and second containers. 15. The cold therapy system of claim 11, wherein the interlocked first and second containers are positioned within the cavity of the cooling bath so that liquid water flows around the first and second containers. 16. The cold therapy system of claim 1, wherein the heat exchanger is positioned and arranged to avoid contact between liquid water flowing from the cavity of the cooling bath to the therapy pad and liquid water flowing from the therapy pad back to the cavity of the cooling bath within the heat exchanger. 17. The cold therapy system of claim 1, wherein the control unit is programmed to operate the pump according to the high-flow/low-flow cycle during treatment. 18. A cold therapy system comprising: a cooling bath configured to hold a cooling resource and liquid water;a therapy pad in fluid communication with the cooling bath;a pump positioned and arranged to pump liquid water from the cooling bath to the therapy pad and to pump liquid water from the therapy pad back to the cooling bath;a heat exchanger having a chilled water inlet, a chilled water outlet, a heated water inlet and a heated water outlet;a first pathway fluidly connecting the cooling bath to the chilled water inlet of the heat exchanger;a second pathway fluidly connecting the chilled water outlet of the heat exchanger to the therapy pad;a third pathway fluidly connecting the therapy pad to the heated water inlet of the heat exchanger;a fourth pathway fluidly connecting the heated water outlet of the heat exchanger to the cooling bath;a bypass branch fluidly connecting the therapy pad and the cooling bath while bypassing the heat exchanger;a valve positioned downstream of the therapy pad enabling at least some liquid water from the therapy pad to bypass the heat exchanger via the bypass branch and flow to the cooling bath without flowing through the heat exchanger; anda control unit in electrical communication with the valve and configured to automatically control the valve based on a sensed temperature so as to adjust the therapy pad temperature and/or to conserve the cooling resource held within the cooling bath,wherein liquid water circulates through the first, second, third and fourth pathways by flowing from the cooling bath to the chilled water inlet of the heat exchanger via the first pathway, from the chilled water outlet of heat exchanger to the therapy pad via the second pathway, from the therapy pad to the heated water inlet of the heat exchanger via the third pathway, and from the heated water outlet of the heat exchanger to the cooling bath via the fourth pathway and/or circulates through the first and second pathways and the bypass branch by flowing from the cooling bath to the chilled water inlet of the heat exchanger via the first pathway, from the chilled water outlet of heat exchanger to the therapy pad via the second pathway, and from the therapy pad to the cooling bath via the bypass branch. 19. The cold therapy system of claim 18, wherein the valve is controlled according to a high-flow/low-flow cycle. 20. The cold therapy system of claim 18, wherein liquid water flowing from the cooling bath to the therapy pad through the heat exchanger via the chilled water inlet and the chilled water outlet of the heat exchanger and liquid water flowing from the therapy pad to the cooling bath through the heat exchanger via the heated water inlet and the heated water outlet of the heat exchanger are in fluid isolation from one another within the heat exchanger. 21. The cold therapy system of claim 18, wherein the valve is controlled according to an opened/closed cycle. 22. The cold therapy system of claim 18, wherein the therapy pad has a pad inlet, a pad outlet and a patient cooling pathway extending between the pad inlet and the pad outlet and liquid water circulates through the therapy pad from the pad inlet to the pad outlet via the patient cooling pad pathway, further wherein the cold therapy system is configured so that the volume of liquid water discharged from the pad outlet over a treatment time period is equal to the volume of liquid water discharged into the cooling bath from the bypass branch and the fourth pathway over the same treatment time period. 23. A cold therapy system comprising: a cooling bath configured to hold liquid water;a therapy pad in fluid communication with the cooling bath;a pump positioned and arranged to pump liquid water from the cooling bath to the therapy pad and to pump liquid water from the therapy pad back to the cooling bath;a heat exchanger external to liquid water held within the cooling bath, wherein the heat exchanger includes a first spiral chamber carrying water from the cooling bath to the therapy pad and a second spiral chamber carrying water from the therapy pad to the cooling bath or includes first and second lumens disposed parallel to each other, (i) the first lumen carrying water from the cooling bath to the therapy pad and (ii) the second lumen carrying water from the therapy pad to the cooling bath, wherein only a thin heat-conductive wall separates the first lumen from the second lumen and/or a bendable metal longitudinally abuts the first lumen and the second lumen. 24. The cold therapy system of claim 23, wherein the cooling bath includes a housing and a cavity within the housing configured to hold liquid water and the heat exchanger is mounted to the housing of the cooling bath. 25. The cold therapy system of claim 23, wherein the heat exchanger includes the first and second lumens. 26. The cold therapy system of claim 25, wherein the first lumen is separated from the second lumen by only the thin heat-conductive wall.
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