Cryotherapy involves the surface application of low temperatures to enhance the healing of soft tissue injuries. Typical devices embody a remote source of chilled water that is pumped through a circulation bladder placed on the treatment site. In contrast, the present device uses thermoelectric refrigeration modules to bring the cooling source directly to the tissue to be treated, thereby achieving significant improvements in control of therapeutic temperature while having a reduced size and weight. A prototype system was applied to test an oscillating cooling and heating protocol for efficacy in regulating skin blood perfusion in the treatment area. Data on 12 human subjects indicate that thermoelectric coolers (TECs) delivered significant and sustainable changes in perfusion for both heating (increase by (±SE) 173.0 ± 66.0%, P < 0.005) and cooling (decrease by (±SE) 57.7 ± 4.2%, P < 0.0005), thus supporting the feasibility of a TEC-based device for cryotherapy with local temperature regulation.
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December 2015
Technical Briefs
An On-Site Thermoelectric Cooling Device for Cryotherapy and Control of Skin Blood Flow
Natalia Mejia,
Natalia Mejia
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: nathysmejia@utexas.edu
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: nathysmejia@utexas.edu
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Karl Dedow,
Karl Dedow
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdedow@gmail.com
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdedow@gmail.com
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Lindsey Nguy,
Lindsey Nguy
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: lindseynguy@gmail.com
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: lindseynguy@gmail.com
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Patrick Sullivan,
Patrick Sullivan
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: Psullivan000@gmail.com
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: Psullivan000@gmail.com
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Sepideh Khoshnevis,
Sepideh Khoshnevis
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: sepideh@utexas.edu
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: sepideh@utexas.edu
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Kenneth R. Diller
Kenneth R. Diller
Fellow ASME
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdiller@mail.utexas.edu
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdiller@mail.utexas.edu
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Natalia Mejia
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: nathysmejia@utexas.edu
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: nathysmejia@utexas.edu
Karl Dedow
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdedow@gmail.com
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdedow@gmail.com
Lindsey Nguy
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: lindseynguy@gmail.com
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: lindseynguy@gmail.com
Patrick Sullivan
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: Psullivan000@gmail.com
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: Psullivan000@gmail.com
Sepideh Khoshnevis
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: sepideh@utexas.edu
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: sepideh@utexas.edu
Kenneth R. Diller
Fellow ASME
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdiller@mail.utexas.edu
Department of Biomedical Engineering,
The University of Texas at Austin,
107 West Dean Keeton Street,
Austin, TX 78712-1081
e-mail: kdiller@mail.utexas.edu
1Corresponding author.
Manuscript received July 20, 2014; final manuscript received December 23, 2014; published online August 6, 2015. Assoc. Editor: Rupak K. Banerjee.
J. Med. Devices. Dec 2015, 9(4): 044502 (6 pages)
Published Online: August 6, 2015
Article history
Received:
July 20, 2014
Revision Received:
December 23, 2014
Citation
Mejia, N., Dedow, K., Nguy, L., Sullivan, P., Khoshnevis, S., and Diller, K. R. (August 6, 2015). "An On-Site Thermoelectric Cooling Device for Cryotherapy and Control of Skin Blood Flow." ASME. J. Med. Devices. December 2015; 9(4): 044502. https://doi.org/10.1115/1.4029508
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