A chill to the heart

Research output: Contribution to specialist publicationArticle


Medivance Inc. offers the Arctic Sun system, which has two major components, a cooling console and a series of cooling pads called ArcticGel pads. The console ensures that coolant circulates at the correct temperature for the correct amount of time. An ArcticGel pad consists of three flexible layers so it can conform to the body. The outer layer, not in contact with the patient, insulates the pad so ambient thermal energy does not warm the coolant. The middle layer provides a leak-tight internal coolant flow pathway. Its design involves subtle enhancements or flow obstructions to promote coolant mixing and thin boundary layers - those regions where temperature gradients are greatest inside the coolant flow. The inner layer, in contact with the patient, is made of material that is thin, conductive, and gel-like. Heat transfer conduction rates are directly proportional to conductivity, area, and temperature differences, and inversely proportional to material thickness.

Original languageEnglish (US)
Specialist publicationMechanical Engineering
Publication statusPublished - Oct 1 2010


All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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